7x/8x=40

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Solution for 7x/8x=40 equation: 


x in (-oo:+oo)

((7*x)/8)*x = 40 // - 40

((7*x)/8)*x-40 = 0

7/8*x^2 = 40 // : 7/8

x^2 = 320/7

x^2 = 320/7 // ^ 1/2

abs(x) = (320/7)^(1/2)

x = (320/7)^(1/2) or x = -(320/7)^(1/2)

x in { (320/7)^(1/2), -(320/7)^(1/2) }

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