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-4.5x-3=2.7x+15
We move all terms to the left:
-4.5x-3-(2.7x+15)=0
We get rid of parentheses
-4.5x-2.7x-15-3=0
We add all the numbers together, and all the variables
-7.2x-18=0
We move all terms containing x to the left, all other terms to the right
-7.2x=18
x=18/-7.2
x=-2+2.25/4.5
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