-15=3(v+5)+7v

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Solution for -15=3(v+5)+7v equation:



-15=3(v+5)+7v
We move all terms to the left:
-15-(3(v+5)+7v)=0
We calculate terms in parentheses: -(3(v+5)+7v), so:
3(v+5)+7v
We add all the numbers together, and all the variables
7v+3(v+5)
We multiply parentheses
7v+3v+15
We add all the numbers together, and all the variables
10v+15
Back to the equation:
-(10v+15)
We get rid of parentheses
-10v-15-15=0
We add all the numbers together, and all the variables
-10v-30=0
We move all terms containing v to the left, all other terms to the right
-10v=30
v=30/-10
v=-3

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