78=7a+2/3a+9

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Solution for 78=7a+2/3a+9 equation: 


a in (-oo:+oo)

78 = 7*a+(2/3)*a+9 // - 7*a+(2/3)*a+9

78-(7*a)-((2/3)*a)-9 = 0

(-2/3)*a-7*a-9+78 = 0

69-23/3*a = 0 // - 69

-23/3*a = -69 // : -23/3

a = -69/(-23/3)

a = 9

a = 9

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