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-0.75x+0.55x=5.2
We move all terms to the left:
-0.75x+0.55x-(5.2)=0
We add all the numbers together, and all the variables
-0.2x-5.2=0
We move all terms containing x to the left, all other terms to the right
-0.2x=5.2
x=5.2/-0.2
x=-26
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