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5.7x+3-0.25=7.7
We move all terms to the left:
5.7x+3-0.25-(7.7)=0
We add all the numbers together, and all the variables
5.7x-4.95=0
We move all terms containing x to the left, all other terms to the right
5.7x=4.95
x=4.95/5.7
x=2.53846153846/2.92307692308
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