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13x=57.000+2.6x
We move all terms to the left:
13x-(57.000+2.6x)=0
We add all the numbers together, and all the variables
13x-(2.6x+57)=0
We get rid of parentheses
13x-2.6x-57=0
We add all the numbers together, and all the variables
10.4x-57=0
We move all terms containing x to the left, all other terms to the right
10.4x=57
x=57/10.4
x=5+1/2.08
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