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1.50x+15=2.25
We move all terms to the left:
1.50x+15-(2.25)=0
We add all the numbers together, and all the variables
1.50x+12.75=0
We move all terms containing x to the left, all other terms to the right
1.50x=-12.75
x=-12.75/1.50
x=-8+0.75/1.50
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