Sangeetha Pulapaka

STEP 1: Recall when is an equation said to have a solution, no solution and infinitely many solutions

STEP 2: Write the missing number

The equation is said to have no solution when there are no variables left. Plugging 7x in the given equation will result in only two constants

2 = 3

So 7x is the missing number.

Skills you may want to recall:

1.What is a constant

2.What is a variable