-9=-5(5v+5)-8(7v-2)

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Solution for -9=-5(5v+5)-8(7v-2) equation: 



-9=-5(5v+5)-8(7v-2)

We move all terms to the left:

-9-(-5(5v+5)-8(7v-2))=0



We calculate terms in parentheses: -(-5(5v+5)-8(7v-2)), so:

-5(5v+5)-8(7v-2)

We multiply parentheses

-25v-56v-25+16

We add all the numbers together, and all the variables

-81v-9

Back to the equation:

-(-81v-9)



We get rid of parentheses

81v+9-9=0

We add all the numbers together, and all the variables

81v=0

v=0/81

v=0

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