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-0.7x-15=-3.8
We move all terms to the left:
-0.7x-15-(-3.8)=0
We add all the numbers together, and all the variables
-0.7x-11.2=0
We move all terms containing x to the left, all other terms to the right
-0.7x=11.2
x=11.2/-0.7
x=-16
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