7(-8+7v)-3v=128

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Solution for 7(-8+7v)-3v=128 equation: 



7(-8+7v)-3v=128

We move all terms to the left:

7(-8+7v)-3v-(128)=0

We add all the numbers together, and all the variables

7(7v-8)-3v-128=0

We add all the numbers together, and all the variables

-3v+7(7v-8)-128=0

We multiply parentheses

-3v+49v-56-128=0

We add all the numbers together, and all the variables

46v-184=0

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

46v=184

v=184/46

v=4

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