67=a+7a+3

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Solution for 67=a+7a+3 equation:


a in (-oo:+oo)

67 = a+7*a+3 // - a+7*a+3

67-a-(7*a)-3 = 0

67-a-7*a-3 = 0

64-8*a = 0 // - 64

-8*a = -64 // : -8

a = -64/(-8)

a = 8

a = 8

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