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86/4=x
We move all terms to the left:
86/4-(x)=0
We add all the numbers together, and all the variables
-1x+86/4=0
We multiply all the terms by the denominator
-1x*4+86=0
Wy multiply elements
-4x+86=0
We move all terms containing x to the left, all other terms to the right
-4x=-86
x=-86/-4
x=21+1/2
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