x+8(x+7)=128

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Solution for x+8(x+7)=128 equation: 



x+8(x+7)=128

We move all terms to the left:

x+8(x+7)-(128)=0

We multiply parentheses

x+8x+56-128=0

We add all the numbers together, and all the variables

9x-72=0

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

9x=72

x=72/9

x=8

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