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-4.5(x-8.9)=12.6
We move all terms to the left:
-4.5(x-8.9)-(12.6)=0
We add all the numbers together, and all the variables
-4.5(x-8.9)-12.6=0
We multiply parentheses
-4.5x+40.05-12.6=0
We add all the numbers together, and all the variables
-4.5x+27.45=0
We move all terms containing x to the left, all other terms to the right
-4.5x=-27.45
x=-27.45/-4.5
x=6+0.45/4.5
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