9x/16x=-15/-28

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Solution for 9x/16x=-15/-28 equation: 


x in (-oo:+oo)

((9*x)/16)*x = -15/(-28) // + -15/(-28)

((9*x)/16)*x-(-15/(-28)) = 0

((9*x)/16)*x-15/28 = 0

9/16*x^2 = 15/28 // : 9/16

x^2 = 20/21

x^2 = 20/21 // ^ 1/2

abs(x) = (20/21)^(1/2)

x = (20/21)^(1/2) or x = -(20/21)^(1/2)

x in { (20/21)^(1/2), -(20/21)^(1/2) }

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