-6v+21=-9(v+1)

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Solution for -6v+21=-9(v+1) equation:



-6v+21=-9(v+1)
We move all terms to the left:
-6v+21-(-9(v+1))=0
We calculate terms in parentheses: -(-9(v+1)), so:
-9(v+1)
We multiply parentheses
-9v-9
Back to the equation:
-(-9v-9)
We get rid of parentheses
-6v+9v+9+21=0
We add all the numbers together, and all the variables
3v+30=0
We move all terms containing v to the left, all other terms to the right
3v=-30
v=-30/3
v=-10

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