5x+20=2x-7

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Solution for 5x+20=2x-7 equation: 



5x+20=2x-7

We move all terms to the left:

5x+20-(2x-7)=0

We get rid of parentheses

5x-2x+7+20=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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