18+2x=2(-x+7)-20

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Solution for 18+2x=2(-x+7)-20 equation: 



18+2x=2(-x+7)-20

We move all terms to the left:

18+2x-(2(-x+7)-20)=0

We add all the numbers together, and all the variables

2x-(2(-1x+7)-20)+18=0



We calculate terms in parentheses: -(2(-1x+7)-20), so:

2(-1x+7)-20

We multiply parentheses

-2x+14-20

We add all the numbers together, and all the variables

-2x-6

Back to the equation:

-(-2x-6)



We get rid of parentheses

2x+2x+6+18=0

We add all the numbers together, and all the variables

4x+24=0

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

4x=-24

x=-24/4

x=-6

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