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55=1/2x+30
We move all terms to the left:
55-(1/2x+30)=0
Domain of the equation: 2x+30)!=0We get rid of parentheses
x∈R
-1/2x-30+55=0
We multiply all the terms by the denominator
-30*2x+55*2x-1=0
Wy multiply elements
-60x+110x-1=0
We add all the numbers together, and all the variables
50x-1=0
We move all terms containing x to the left, all other terms to the right
50x=1
x=1/50
x=1/50
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