2x+1/2x=90 - solution

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Solution for 2x+1/2x=90 equation:

x in (-oo:+oo)

2*x+(1/2)*x = 90 // - 90

2*x+(1/2)*x-90 = 0

5/2*x-90 = 0 // + 90

5/2*x = 90 // : 5/2

x = 90/5/2

x = 36

x = 36

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