1/2a+5=99/20

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Solution for 1/2a+5=99/20 equation: 


a in (-oo:+oo)

(1/2)*a+5 = 99/20 // - 99/20

(1/2)*a-(99/20)+5 = 0

(1/2)*a-99/20+5 = 0

1/2*a+1/20 = 0 // - 1/20

1/2*a = -1/20 // : 1/2

a = -1/20/1/2

a = -1/10

a = -1/10

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