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15/2x+15+30=54
We move all terms to the left:
15/2x+15+30-(54)=0
Domain of the equation: 2x!=0We add all the numbers together, and all the variables
x!=0/2
x!=0
x∈R
15/2x-9=0
We multiply all the terms by the denominator
-9*2x+15=0
Wy multiply elements
-18x+15=0
We move all terms containing x to the left, all other terms to the right
-18x=-15
x=-15/-18
x=5/6
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