7b-1=55

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Solution for 7b-1=55 equation: 


b in (-oo:+oo)

7*b-1 = 55 // - 55

7*b-55-1 = 0

7*b-56 = 0 // + 56

7*b = 56 // : 7

b = 56/7

b = 8

b = 8

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