7v-4v-v=18

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Solution for 7v-4v-v=18 equation: 



7v-4v-v=18

We move all terms to the left:

7v-4v-v-(18)=0

We add all the numbers together, and all the variables

2v-18=0

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

2v=18

v=18/2

v=9

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