1/2x+5/2x=9 - solution

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Solution for 1/2x+5/2x=9 equation:

x in (-oo:+oo)

(1/2)*x+(5/2)*x = 9 // - 9

(1/2)*x+(5/2)*x-9 = 0

3*x-9 = 0 // + 9

3*x = 9 // : 3

x = 9/3

x = 3

x = 3

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