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2.5x+5.5=1
We move all terms to the left:
2.5x+5.5-(1)=0
We add all the numbers together, and all the variables
2.5x+4.5=0
We move all terms containing x to the left, all other terms to the right
2.5x=-4.5
x=-4.5/2.5
x=-1+1/1.25
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