a+2a+1/4a=180

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Solution for a+2a+1/4a=180 equation: 


a in (-oo:+oo)

a+2*a+(1/4)*a = 180 // - 180

a+2*a+(1/4)*a-180 = 0

13/4*a-180 = 0 // + 180

13/4*a = 180 // : 13/4

a = 180/13/4

a = 720/13

a = 720/13

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