7y/3y=28

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Solution for 7y/3y=28 equation: 


y in (-oo:+oo)

((7*y)/3)*y = 28 // - 28

((7*y)/3)*y-28 = 0

7/3*y^2 = 28 // : 7/3

y^2 = 12

y^2 = 12 // ^ 1/2

abs(y) = 2*3^(1/2)

y = 2*3^(1/2) or y = -(2*3^(1/2))

y in { 2*3^(1/2), -(2*3^(1/2)) }

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