7(v-3)=-21+7v

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Solution for 7(v-3)=-21+7v equation: 



7(v-3)=-21+7v

We move all terms to the left:

7(v-3)-(-21+7v)=0

We add all the numbers together, and all the variables

7(v-3)-(7v-21)=0

We multiply parentheses

7v-(7v-21)-21=0

We get rid of parentheses

7v-7v+21-21=0

We add all the numbers together, and all the variables

=0

v=0/1

v=0

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