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7/2x+18=4
We move all terms to the left:
7/2x+18-(4)=0
Domain of the equation: 2x!=0We add all the numbers together, and all the variables
x!=0/2
x!=0
x∈R
7/2x+14=0
We multiply all the terms by the denominator
14*2x+7=0
Wy multiply elements
28x+7=0
We move all terms containing x to the left, all other terms to the right
28x=-7
x=-7/28
x=-1/4
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