-2/5*y=4

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Solution for -2/5*y=4 equation:



-2/5y=4
We move all terms to the left:
-2/5y-(4)=0
Domain of the equation: 5y!=0
y!=0/5
y!=0
y∈R
We multiply all the terms by the denominator
-4*5y-2=0
Wy multiply elements
-20y-2=0
We move all terms containing y to the left, all other terms to the right
-20y=2
y=2/-20
y=-1/10

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