12=-4/7y

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Solution for 12=-4/7y equation:



12=-4/7y
We move all terms to the left:
12-(-4/7y)=0
Domain of the equation: 7y)!=0
y!=0/1
y!=0
y∈R
We get rid of parentheses
4/7y+12=0
We multiply all the terms by the denominator
12*7y+4=0
Wy multiply elements
84y+4=0
We move all terms containing y to the left, all other terms to the right
84y=-4
y=-4/84
y=-1/21

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