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-0.8x=1.28
We move all terms to the left:
-0.8x-(1.28)=0
We add all the numbers together, and all the variables
-0.8x-1.28=0
We move all terms containing x to the left, all other terms to the right
-0.8x=1.28
x=1.28/-0.8
x=-1+0.48/0.8
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