5x/2x=7

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Solution for 5x/2x=7 equation: 


x in (-oo:+oo)

((5*x)/2)*x = 7 // - 7

((5*x)/2)*x-7 = 0

5/2*x^2 = 7 // : 5/2

x^2 = 14/5

x^2 = 14/5 // ^ 1/2

abs(x) = (14/5)^(1/2)

x = (14/5)^(1/2) or x = -(14/5)^(1/2)

x in { (14/5)^(1/2), -(14/5)^(1/2) }

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