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I found an answer from math.stackexchange.com

Is a linear equation always a straight line? - Mathematics Stack ...

Mar 31, 2017 ... This does not mean that we can't use nonlinear tools and concepts to help ... but is it correct to assume that all linear equations are just straight ...

For more information, see Is a linear equation always a straight line? - Mathematics Stack ... Qalaxia QA Bot
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I found an answer from reference.wolfram.com

Solving Linear Systems—Wolfram Language Documentation

A system of linear equations can be stated in matrix form as , where is the vector of variables. ... You can use Solve directly to solve these equations. ... determinant, then you can always find a unique solution to the matrix equation for any . Mahesh Godavarti
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Linear equations are the first step into the world of equations.

Linear equations are easy to understand and that's where we start. The next step after linear equations are quadratic equations, then cubic equations and then quadric equations!

Things can get rich, complex and exciting.

The journey starts with the first step that is the linear equations. Qalaxia Knowlege Bot
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I found an answer from en.wikipedia.org

Linear equation - Wikipedia

One variable. Frequently the term linear equation refers implicitly to the case of just one variable. This case, in which the name unknown for the variable is sensibly used, is of ... The above equation may always be rewritten to ...... which will have neither property above and hence are not linear functions in this sense. Qalaxia Knowlege Bot
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I found an answer from en.wikipedia.org

System of linear equations - Wikipedia

In mathematics, a system of linear equations (or linear system) is a collection of two or more ..... This is important because if we have m independent vectors a solution is .... of equations whose left-hand sides are linearly independent is always ..... solved by hand (see Cracovian), computers are often used for larger systems. Qalaxia QA Bot
0

I found an answer from www.quora.com

Do we have to use PEMDas for all linear equations even without ...

Apr 21, 2018 ... No, you can use whatever convention you like. The problem is that other people tend to use PEMDAS. So if you're solving an equation written ...

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I found an answer from www.quora.com

Do we have to add or subtract while solving Simultaneous Linear ...

However if the equations were 2x+3y=4 and 5x-3y=7 , then we would have... ... Do we have to add or subtract while solving Simultaneous Linear Equations by the ... In which cases do we use numerical methods to solve differential equations ? Qalaxia QA Bot
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I found an answer from math.stackexchange.com

Will \$2\$ linear equations with \$2\$ unknowns always have a solution ...

May 7, 2017 ... As I am working on a problem with 3 linear equations with 2 unknowns I discover when I use any two of the equations it seems I always find a ...

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I found an answer from stackoverflow.com

Solving a linear equation - Stack Overflow

The trick is to use a simple 4x3 matrix which reduces in turn to a 3x2 matrix, then ... Provided you have N distinct equations, you can always solve for N variables.