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-3-8.6x=25.56-12.8x
We move all terms to the left:
-3-8.6x-(25.56-12.8x)=0
We add all the numbers together, and all the variables
-8.6x-(-12.8x+25.56)-3=0
We get rid of parentheses
-8.6x+12.8x-25.56-3=0
We add all the numbers together, and all the variables
4.2x-28.56=0
We move all terms containing x to the left, all other terms to the right
4.2x=28.56
x=28.56/4.2
x=6+2.47058823529/3.08823529412
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