5(-1-7b)=-40

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Solution for 5(-1-7b)=-40 equation: 


b in (-oo:+oo)

5*(-(7*b)-1) = -40 // + 40

5*(-(7*b)-1)+40 = 0

5*(-7*b-1)+40 = 0

5*(-7*b-1)+40 = 0

35-35*b = 0

35-35*b = 0

35-35*b = 0 // - 35

-35*b = -35 // : -35

b = -35/(-35)

b = 1

b = 1

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