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7/2+20+10=x
We move all terms to the left:
7/2+20+10-(x)=0
We add all the numbers together, and all the variables
-1x+30+7/2=0
We multiply all the terms by the denominator
-1x*2+7+30*2=0
We add all the numbers together, and all the variables
-1x*2+67=0
Wy multiply elements
-2x+67=0
We move all terms containing x to the left, all other terms to the right
-2x=-67
x=-67/-2
x=33+1/2
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