-9(x-7)=-2x+21

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Solution for -9(x-7)=-2x+21 equation: 



-9(x-7)=-2x+21

We move all terms to the left:

-9(x-7)-(-2x+21)=0

We multiply parentheses

-9x-(-2x+21)+63=0

We get rid of parentheses

-9x+2x-21+63=0

We add all the numbers together, and all the variables

-7x+42=0

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

-7x=-42

x=-42/-7

x=+6

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