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1.5x+6=2.25
We move all terms to the left:
1.5x+6-(2.25)=0
We add all the numbers together, and all the variables
1.5x+3.75=0
We move all terms containing x to the left, all other terms to the right
1.5x=-3.75
x=-3.75/1.5
x=-2+0.75/1.5
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