5a+9+5a=99

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Solution for 5a+9+5a=99 equation: 


a in (-oo:+oo)

5*a+5*a+9 = 99 // - 99

5*a+5*a-99+9 = 0

10*a-90 = 0 // + 90

10*a = 90 // : 10

a = 90/10

a = 9

a = 9

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