7(x-3)=-2x+42

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Solution for 7(x-3)=-2x+42 equation: 



7(x-3)=-2x+42

We move all terms to the left:

7(x-3)-(-2x+42)=0

We multiply parentheses

7x-(-2x+42)-21=0

We get rid of parentheses

7x+2x-42-21=0

We add all the numbers together, and all the variables

9x-63=0

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

9x=63

x=63/9

x=7

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