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3(8.1+2.2x)=2.4(x+7.1)
We move all terms to the left:
3(8.1+2.2x)-(2.4(x+7.1))=0
We add all the numbers together, and all the variables
3(2.2x+8.1)-(2.4(x+7.1))=0
We multiply parentheses
6x-(2.4(x+7.1))+24.3=0
We calculate terms in parentheses: -(2.4(x+7.1)), so:We get rid of parentheses
2.4(x+7.1)
We multiply parentheses
2.4x+17.04
Back to the equation:
-(2.4x+17.04)
6x-2.4x-17.04+24.3=0
We add all the numbers together, and all the variables
3.6x+7.26=0
We move all terms containing x to the left, all other terms to the right
3.6x=-7.26
x=-7.26/3.6
x=-2+0.06/3.6
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