1+7a=22

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Solution for 1+7a=22 equation: 


a in (-oo:+oo)

7*a+1 = 22 // - 22

7*a-22+1 = 0

7*a-21 = 0 // + 21

7*a = 21 // : 7

a = 21/7

a = 3

a = 3

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