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28/2x+3=4
We move all terms to the left:
28/2x+3-(4)=0
Domain of the equation: 2x!=0We add all the numbers together, and all the variables
x!=0/2
x!=0
x∈R
28/2x-1=0
We multiply all the terms by the denominator
-1*2x+28=0
Wy multiply elements
-2x+28=0
We move all terms containing x to the left, all other terms to the right
-2x=-28
x=-28/-2
x=+14
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