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-2x+3x=(x+4)-(x+8)
We move all terms to the left:
-2x+3x-((x+4)-(x+8))=0
We add all the numbers together, and all the variables
x-((x+4)-(x+8))=0
We calculate terms in parentheses: -((x+4)-(x+8)), so:We add all the numbers together, and all the variables
(x+4)-(x+8)
We get rid of parentheses
x-x+4-8
We add all the numbers together, and all the variables
-4
Back to the equation:
-(-4)
x+4=0
We move all terms containing x to the left, all other terms to the right
x=-4
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