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-12=1.3(2x-1)
We move all terms to the left:
-12-(1.3(2x-1))=0
We calculate terms in parentheses: -(1.3(2x-1)), so:We get rid of parentheses
1.3(2x-1)
We multiply parentheses
2.6x-1.3
Back to the equation:
-(2.6x-1.3)
-2.6x+1.3-12=0
We add all the numbers together, and all the variables
-2.6x-10.7=0
We move all terms containing x to the left, all other terms to the right
-2.6x=10.7
x=10.7/-2.6
x=-4+0.3/2.6
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