83=7a+7a-1

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Solution for 83=7a+7a-1 equation: 


a in (-oo:+oo)

83 = 7*a+7*a-1 // - 7*a+7*a-1

1-(7*a)-(7*a)+83 = 0

1-7*a-7*a+83 = 0

84-14*a = 0 // - 84

-14*a = -84 // : -14

a = -84/(-14)

a = 6

a = 6

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