45=7v-4

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Solution for 45=7v-4 equation: 



45=7v-4

We move all terms to the left:

45-(7v-4)=0

We get rid of parentheses

-7v+4+45=0

We add all the numbers together, and all the variables

-7v+49=0

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

-7v=-49

v=-49/-7

v=+7

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