178=5(5-4v)-7

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Solution for 178=5(5-4v)-7 equation: 



178=5(5-4v)-7

We move all terms to the left:

178-(5(5-4v)-7)=0

We add all the numbers together, and all the variables

-(5(-4v+5)-7)+178=0



We calculate terms in parentheses: -(5(-4v+5)-7), so:

5(-4v+5)-7

We multiply parentheses

-20v+25-7

We add all the numbers together, and all the variables

-20v+18

Back to the equation:

-(-20v+18)



We get rid of parentheses

20v-18+178=0

We add all the numbers together, and all the variables

20v+160=0

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

20v=-160

v=-160/20

v=-8

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