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y=5(15/13)-4
We move all terms to the left:
y-(5(15/13)-4)=0
We add all the numbers together, and all the variables
y-(5(+15/13)-4)=0
We multiply all the terms by the denominator
y*13)-4)-(5(+15=0
Wy multiply elements
13y^2+15=0
a = 13; b = 0; c = +15;
Δ = b2-4ac
Δ = 02-4·13·15
Δ = -780
Delta is less than zero, so there is no solution for the equation
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