7y=(y^2/7)

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Solution for 7y=(y^2/7) equation: 


y in (-oo:+oo)

7*y = (y^2)/7 // - (y^2)/7

7*y-((y^2)/7) = 0

7*y-1/7*y^2 = 0

DELTA = 7^2-(-1/7*0*4)

DELTA = 49

DELTA > 0

y = (49^(1/2)-7)/(-1/7*2) or y = (-49^(1/2)-7)/(-1/7*2)

y = 0 or y = 49

y in { 0, 49 }

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