-2(-4x-7)=9x-7

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Solution for -2(-4x-7)=9x-7 equation: 



-2(-4x-7)=9x-7

We move all terms to the left:

-2(-4x-7)-(9x-7)=0

We multiply parentheses

8x-(9x-7)+14=0

We get rid of parentheses

8x-9x+7+14=0

We add all the numbers together, and all the variables

-1x+21=0

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

-x=-21

x=-21/-1

x=+21

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