-20+7x=15

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Solution for -20+7x=15 equation: 



-20+7x=15

We move all terms to the left:

-20+7x-(15)=0

We add all the numbers together, and all the variables

7x-35=0

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

7x=35

x=35/7

x=5

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