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4/5y-7=-3
We move all terms to the left:
4/5y-7-(-3)=0
Domain of the equation: 5y!=0We add all the numbers together, and all the variables
y!=0/5
y!=0
y∈R
4/5y-4=0
We multiply all the terms by the denominator
-4*5y+4=0
Wy multiply elements
-20y+4=0
We move all terms containing y to the left, all other terms to the right
-20y=-4
y=-4/-20
y=1/5
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