a/7-7=-1

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Solution for a/7-7=-1 equation: 


a in (-oo:+oo)

a/7-7 = -1 // + 1

a/7-7+1 = 0

1/7*a-6 = 0 // + 6

1/7*a = 6 // : 1/7

a = 6/1/7

a = 42

a = 42

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