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Expressions & Equations | Common Core State Standards Initiative

Reason about and solve one-variable equations and inequalities. ... Use substitution to determine whether a given number in a specified set makes an equation or ... Solve multi-step real-life and mathematical problems posed with positive and ... Give examples of linear equations in one variable with one solution, infinitely ...

For more information, see Expressions & Equations | Common Core State Standards Initiative

I guess it would be $14600 but there may be other factors that effect the outcome.

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Applications of Linear Equations

Solve word problems involving relationships between numbers. ... Solution: First, choose a variable for the unknown number and identify the key words and ... Step 3: Translate and set up an algebraic equation that models the problem. Step 4: ...

For more information, see Applications of Linear Equations

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Translating Word Problems into Equations

By setting up a system and following it, you can be successful with word problems. So what should you ... Assign a variable to the quantity you are trying to find. ... The examples done in this lesson will be linear equations. Solutions ... Check your solution. ... The answer makes sense and checks in our equation from Step 4.

For more information, see Translating Word Problems into Equations

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Linear Equations in One Variable

Jul 1, 2011 ... ... no solution. Know when an equation has all real numbers as a solution. ... In later tutorials, we will put them to use to solve word problems.

For more information, see Linear Equations in One Variable

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Word Problems on Linear Equations |Equations in One Variable ...

With the help of equations in one variable, we have already practiced equations to solve some real life ... Steps involved in solving a linear equation word problem: ... One of the numbers exceeds the other by 9. Find the numbers. Solution:

For more information, see Word Problems on Linear Equations |Equations in One Variable ...

I found an answer from www.khanacademy.org

Two-step equation word problem: computers (video) | Khan Academy

Practice: Two-step equations word problems ... Linear equations with variables on both sides ... So let's set that to a variable or set a variable to represent that.

For more information, see Two-step equation word problem: computers (video) | Khan Academy

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Tutorial 19: Solving a System of Linear Equations in Two Variables.

Jul 10, 2011 ... Know if an ordered pair is a solution to a system of linear equations in two ... This will lead us into solving word problems with systems, which will be shown in ..... Solve the equation set up in step 3 for the variable that is left.

For more information, see Tutorial 19: Solving a System of Linear Equations in Two Variables.

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Creating an equation with infinitely many solutions (video) | Khan ...

Analyzing the number of solutions to linear equations ... Linear equations word problems ... In the kind of linear equation that Sal is talking about here, there is only an x as a variable, so here is the scoop for this kind: ... The next task has problems that involves creating equations with only one solution but I'm confused  ...

For more information, see Creating an equation with infinitely many solutions (video) | Khan ...

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System-of-Equations Word Problems | Purplemath

Many problems lend themselves to being solved with systems of linear equations . ... In the past, I would have set this up by picking a variable for one of the groups (say, ... I will solve the first equation for one of the variables, and then substitute the result into the other equation: ... Since 52 – 25 = 27, this solution checks out.

For more information, see System-of-Equations Word Problems | Purplemath

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Special Cases and Applications

Solve equations that have one solution, no solution, or an infinite number of solutions. · Solve application problems by using an equation in one variable. ... Let's apply the steps for solving an algebraic equation to the equation below. ... When two sets of grouping symbols are used, evaluate the inner set and then evaluate ...

For more information, see Special Cases and Applications