3x+7=-20-6x

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Solution for 3x+7=-20-6x equation: 



3x+7=-20-6x

We move all terms to the left:

3x+7-(-20-6x)=0

We add all the numbers together, and all the variables

3x-(-6x-20)+7=0

We get rid of parentheses

3x+6x+20+7=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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