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-3.8x=-7.8
We move all terms to the left:
-3.8x-(-7.8)=0
We add all the numbers together, and all the variables
-3.8x+7.8=0
We move all terms containing x to the left, all other terms to the right
-3.8x=-7.8
x=-7.8/-3.8
x=2+0.2/3.8
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