-3b+10=-20

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Solution for -3b+10=-20 equation: 


b in (-oo:+oo)

10-3*b = -20 // + 20

10-3*b+20 = 0

30-3*b = 0 // - 30

-3*b = -30 // : -3

b = -30/(-3)

b = 10

b = 10

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