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-0.4x=0.7
We move all terms to the left:
-0.4x-(0.7)=0
We add all the numbers together, and all the variables
-0.4x-0.7=0
We move all terms containing x to the left, all other terms to the right
-0.4x=0.7
x=0.7/-0.4
x=-1+0.3/0.4
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