90v+30=40v+70

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Solution for 90v+30=40v+70 equation: 



90v+30=40v+70

We move all terms to the left:

90v+30-(40v+70)=0

We get rid of parentheses

90v-40v-70+30=0

We add all the numbers together, and all the variables

50v-40=0

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

50v=40

v=40/50

v=4/5

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