7b-7+2b=-61 - solution

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Solution for 7b-7+2b=-61 equation:

b in (-oo:+oo)

7*b+2*b-7 = -61 // + 61

7*b+2*b-7+61 = 0

9*b+54 = 0 // - 54

9*b = -54 // : 9

b = -54/9

b = -6

b = -6

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