6x+7(-x+2)=21

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Solution for 6x+7(-x+2)=21 equation:



6x+7(-x+2)=21
We move all terms to the left:
6x+7(-x+2)-(21)=0
We add all the numbers together, and all the variables
6x+7(-1x+2)-21=0
We multiply parentheses
6x-7x+14-21=0
We add all the numbers together, and all the variables
-1x-7=0
We move all terms containing x to the left, all other terms to the right
-x=7
x=7/-1
x=-7

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