142=9+7v

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Solution for 142=9+7v equation: 



142=9+7v

We move all terms to the left:

142-(9+7v)=0

We add all the numbers together, and all the variables

-(7v+9)+142=0

We get rid of parentheses

-7v-9+142=0

We add all the numbers together, and all the variables

-7v+133=0

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

-7v=-133

v=-133/-7

v=+19

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