1/2x+x+3x=720 - solution

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Solution for 1/2x+x+3x=720 equation:

x in (-oo:+oo)

(1/2)*x+x+3*x = 720 // - 720

(1/2)*x+x+3*x-720 = 0

9/2*x-720 = 0 // + 720

9/2*x = 720 // : 9/2

x = 720/9/2

x = 160

x = 160

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