-5x-7(-3x-7)=161

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Solution for -5x-7(-3x-7)=161 equation: 



-5x-7(-3x-7)=161

We move all terms to the left:

-5x-7(-3x-7)-(161)=0

We multiply parentheses

-5x+21x+49-161=0

We add all the numbers together, and all the variables

16x-112=0

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

16x=112

x=112/16

x=7

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