-6x-21=-9x+2x

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Solution for -6x-21=-9x+2x equation:



-6x-21=-9x+2x
We move all terms to the left:
-6x-21-(-9x+2x)=0
We add all the numbers together, and all the variables
-6x-(-7x)-21=0
We get rid of parentheses
-6x+7x-21=0
We add all the numbers together, and all the variables
x-21=0
We move all terms containing x to the left, all other terms to the right
x=21

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