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13x=5.7
We move all terms to the left:
13x-(5.7)=0
We add all the numbers together, and all the variables
13x-5.7=0
We move all terms containing x to the left, all other terms to the right
13x=5.7
x=5.7/13
x=3.3529411764706/7.6470588235294
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