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50=(12x+8-4x+4)/2
We move all terms to the left:
50-((12x+8-4x+4)/2)=0
We add all the numbers together, and all the variables
-((8x+12)/2)+50=0
We multiply all the terms by the denominator
-((8x+12)+50*2)=0
We calculate terms in parentheses: -((8x+12)+50*2), so:We get rid of parentheses
(8x+12)+50*2
We add all the numbers together, and all the variables
(8x+12)+100
We get rid of parentheses
8x+12+100
We add all the numbers together, and all the variables
8x+112
Back to the equation:
-(8x+112)
-8x-112=0
We move all terms containing x to the left, all other terms to the right
-8x=112
x=112/-8
x=-14
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