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-4x+21.8=-34
We move all terms to the left:
-4x+21.8-(-34)=0
We add all the numbers together, and all the variables
-4x+55.8=0
We move all terms containing x to the left, all other terms to the right
-4x=-55.8
x=-55.8/-4
x=13+2.11111111111/2.22222222222
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