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3.57(x-1.3)=0.045x+10.8
We move all terms to the left:
3.57(x-1.3)-(0.045x+10.8)=0
We multiply parentheses
3.57x-(0.045x+10.8)-4.641=0
We get rid of parentheses
3.57x-0.045x-10.8-4.641=0
We add all the numbers together, and all the variables
3.525x-15.441=0
We move all terms containing x to the left, all other terms to the right
3.525x=15.441
x=15.441/3.525
x=4+1/2.6286353467562
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