5v+4v=40

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Solution for 5v+4v=40 equation: 



5v+4v=40

We move all terms to the left:

5v+4v-(40)=0

We add all the numbers together, and all the variables

9v-40=0

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

9v=40

v=40/9

v=4+4/9

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