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b=50+(20/7)
We move all terms to the left:
b-(50+(20/7))=0
We add all the numbers together, and all the variables
b-(50+(+20/7))=0
We multiply all the terms by the denominator
b*7))-(50+(+20=0
Wy multiply elements
7b^2+20=0
a = 7; b = 0; c = +20;
Δ = b2-4ac
Δ = 02-4·7·20
Δ = -560
Delta is less than zero, so there is no solution for the equation
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