20=2x+7-7x+3

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Solution for 20=2x+7-7x+3 equation: 



20=2x+7-7x+3

We move all terms to the left:

20-(2x+7-7x+3)=0

We add all the numbers together, and all the variables

-(-5x+10)+20=0

We get rid of parentheses

5x-10+20=0

We add all the numbers together, and all the variables

5x+10=0

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

5x=-10

x=-10/5

x=-2

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