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-0.9x-4=-3.2
We move all terms to the left:
-0.9x-4-(-3.2)=0
We add all the numbers together, and all the variables
-0.9x-0.8=0
We move all terms containing x to the left, all other terms to the right
-0.9x=0.8
x=0.8/-0.9
x=-0.8/0.9
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