10v+20=90

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Solution for 10v+20=90 equation: 



10v+20=90

We move all terms to the left:

10v+20-(90)=0

We add all the numbers together, and all the variables

10v-70=0

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

10v=70

v=70/10

v=7

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