4v+15=45-v

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Solution for 4v+15=45-v equation: 



4v+15=45-v

We move all terms to the left:

4v+15-(45-v)=0

We add all the numbers together, and all the variables

4v-(-1v+45)+15=0

We get rid of parentheses

4v+1v-45+15=0

We add all the numbers together, and all the variables

5v-30=0

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

5v=30

v=30/5

v=6

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