20+7x=11-2x

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



20+7x=11-2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7x+2x-11+20=0

We add all the numbers together, and all the variables

9x+9=0

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

9x=-9

x=-9/9

x=-1

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