12v+19=45-v

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Solution for 12v+19=45-v equation: 



12v+19=45-v

We move all terms to the left:

12v+19-(45-v)=0

We add all the numbers together, and all the variables

12v-(-1v+45)+19=0

We get rid of parentheses

12v+1v-45+19=0

We add all the numbers together, and all the variables

13v-26=0

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

13v=26

v=26/13

v=2

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