7b-7=70

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Solution for 7b-7=70 equation:


b in (-oo:+oo)

7*b-7 = 70 // - 70

7*b-70-7 = 0

7*b-77 = 0 // + 77

7*b = 77 // : 7

b = 77/7

b = 11

b = 11

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