11+2x=2(-x+2)-21

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Solution for 11+2x=2(-x+2)-21 equation: 



11+2x=2(-x+2)-21

We move all terms to the left:

11+2x-(2(-x+2)-21)=0

We add all the numbers together, and all the variables

2x-(2(-1x+2)-21)+11=0



We calculate terms in parentheses: -(2(-1x+2)-21), so:

2(-1x+2)-21

We multiply parentheses

-2x+4-21

We add all the numbers together, and all the variables

-2x-17

Back to the equation:

-(-2x-17)



We get rid of parentheses

2x+2x+17+11=0

We add all the numbers together, and all the variables

4x+28=0

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

4x=-28

x=-28/4

x=-7

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