4+9v=121

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Solution for 4+9v=121 equation: 



4+9v=121

We move all terms to the left:

4+9v-(121)=0

We add all the numbers together, and all the variables

9v-117=0

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

9v=117

v=117/9

v=13

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