7/8y-4=-15y+1

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Solution for 7/8y-4=-15y+1 equation: 



7/8y-4=-15y+1

We move all terms to the left:

7/8y-4-(-15y+1)=0



Domain of the equation: 8y!=0

y!=0/8

y!=0

y∈R



We get rid of parentheses

7/8y+15y-1-4=0

We multiply all the terms by the denominator


15y*8y-1*8y-4*8y+7=0

Wy multiply elements

120y^2-8y-32y+7=0

We add all the numbers together, and all the variables

120y^2-40y+7=0

a = 120; b = -40; c = +7;
Δ = b2-4ac
Δ = -402-4·120·7
Δ = -1760
Delta is less than zero, so there is no solution for the equation

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