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2.1(1.5x-3)=15.75
We move all terms to the left:
2.1(1.5x-3)-(15.75)=0
We add all the numbers together, and all the variables
2.1(1.5x-3)-15.75=0
We multiply parentheses
2.1x-6.3-15.75=0
We add all the numbers together, and all the variables
2.1x-22.05=0
We move all terms containing x to the left, all other terms to the right
2.1x=22.05
x=22.05/2.1
x=10+1/2
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