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2x+1.2+2x+1.2+2x+1.2=3x-4+3x-4+3x-4+3x-4+3x-4+3x-4
We move all terms to the left:
2x+1.2+2x+1.2+2x+1.2-(3x-4+3x-4+3x-4+3x-4+3x-4+3x-4)=0
We add all the numbers together, and all the variables
2x+2x+2x-(18x-24)+1.2+1.2+1.2=0
We add all the numbers together, and all the variables
6x-(18x-24)+3.6=0
We get rid of parentheses
6x-18x+24+3.6=0
We add all the numbers together, and all the variables
-12x+27.6=0
We move all terms containing x to the left, all other terms to the right
-12x=-27.6
x=-27.6/-12
x=2+1/3.3333333333333
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