1/4x+2x=45 - solution

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Solution for 1/4x+2x=45 equation:

x in (-oo:+oo)

(1/4)*x+2*x = 45 // - 45

(1/4)*x+2*x-45 = 0

9/4*x-45 = 0 // + 45

9/4*x = 45 // : 9/4

x = 45/9/4

x = 20

x = 20

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