20+7x=2(-x+2)-11

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Solution for 20+7x=2(-x+2)-11 equation: 



20+7x=2(-x+2)-11

We move all terms to the left:

20+7x-(2(-x+2)-11)=0

We add all the numbers together, and all the variables

7x-(2(-1x+2)-11)+20=0



We calculate terms in parentheses: -(2(-1x+2)-11), so:

2(-1x+2)-11

We multiply parentheses

-2x+4-11

We add all the numbers together, and all the variables

-2x-7

Back to the equation:

-(-2x-7)



We get rid of parentheses

7x+2x+7+20=0

We add all the numbers together, and all the variables

9x+27=0

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

9x=-27

x=-27/9

x=-3

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