1-7a=3

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Solution for 1-7a=3 equation: 


a in (-oo:+oo)

1-(7*a) = 3 // - 3

1-(7*a)-3 = 0

1-7*a-3 = 0

-7*a-2 = 0 // + 2

-7*a = 2 // : -7

a = 2/(-7)

a = -2/7

a = -2/7

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