-7(-7-4x)=9

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



-7(-7-4x)=9

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

28x+49-9=0

We add all the numbers together, and all the variables

28x+40=0

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

28x=-40

x=-40/28

x=-1+3/7

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