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30/2x+9=6
We move all terms to the left:
30/2x+9-(6)=0
Domain of the equation: 2x!=0We add all the numbers together, and all the variables
x!=0/2
x!=0
x∈R
30/2x+3=0
We multiply all the terms by the denominator
3*2x+30=0
Wy multiply elements
6x+30=0
We move all terms containing x to the left, all other terms to the right
6x=-30
x=-30/6
x=-5
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