7x+9x-2x=40+2

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Solution for 7x+9x-2x=40+2 equation: 



7x+9x-2x=40+2

We move all terms to the left:

7x+9x-2x-(40+2)=0

We add all the numbers together, and all the variables

7x+9x-2x-42=0

We add all the numbers together, and all the variables

14x-42=0

We move all terms containing x to the left, all other terms to the right

14x=42

x=42/14

x=3

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