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1/2(4y-20)=-30
We move all terms to the left:
1/2(4y-20)-(-30)=0
Domain of the equation: 2(4y-20)!=0We add all the numbers together, and all the variables
y∈R
1/2(4y-20)+30=0
We multiply all the terms by the denominator
30*2(4y-20)+1=0
Wy multiply elements
60y(4+1=0
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