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13(x-9)=-54.6
We move all terms to the left:
13(x-9)-(-54.6)=0
We add all the numbers together, and all the variables
13(x-9)+54.6=0
We multiply parentheses
13x-117+54.6=0
We add all the numbers together, and all the variables
13x-62.4=0
We move all terms containing x to the left, all other terms to the right
13x=62.4
x=62.4/13
x=4+7.4285714285714/9.2857142857143
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