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4-0.8x=-2
We move all terms to the left:
4-0.8x-(-2)=0
We add all the numbers together, and all the variables
-0.8x+6=0
We move all terms containing x to the left, all other terms to the right
-0.8x=-6
x=-6/-0.8
x=7+0.4/0.8
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