3(-7+6b)=-21 - solution

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Solution for 3(-7+6b)=-21 equation:

b in (-oo:+oo)

3*(6*b-7) = -21 // + 21

3*(6*b-7)+21 = 0

3*(6*b-7)+21 = 0

18*b = 0

18*b = 0

18*b = 0 // : 18

b = 0

b = 0

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