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-x+1.5=7.1
We move all terms to the left:
-x+1.5-(7.1)=0
We add all the numbers together, and all the variables
-1x-5.6=0
We move all terms containing x to the left, all other terms to the right
-x=5.6
x=5.6/-1
x=-5+0.6/1
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