10x+20=7x-7-6x

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Solution for 10x+20=7x-7-6x equation: 



10x+20=7x-7-6x

We move all terms to the left:

10x+20-(7x-7-6x)=0

We add all the numbers together, and all the variables

10x-(x-7)+20=0

We get rid of parentheses

10x-x+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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