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50=8.50+2x
We move all terms to the left:
50-(8.50+2x)=0
We add all the numbers together, and all the variables
-(2x+8.5)+50=0
We get rid of parentheses
-2x-8.5+50=0
We add all the numbers together, and all the variables
-2x+41.5=0
We move all terms containing x to the left, all other terms to the right
-2x=-41.5
x=-41.5/-2
x=20+1/1.3333333333333
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