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(5x-2)+(4x+7)=x
We move all terms to the left:
(5x-2)+(4x+7)-(x)=0
We add all the numbers together, and all the variables
-1x+(5x-2)+(4x+7)=0
We get rid of parentheses
-1x+5x+4x-2+7=0
We add all the numbers together, and all the variables
8x+5=0
We move all terms containing x to the left, all other terms to the right
8x=-5
x=-5/8
x=-5/8
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