-4-7b=3b-84

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Solution for -4-7b=3b-84 equation: 


b in (-oo:+oo)

-(7*b)-4 = 3*b-84 // - 3*b-84

84-(7*b)-(3*b)-4 = 0

84-7*b-3*b-4 = 0

80-10*b = 0 // - 80

-10*b = -80 // : -10

b = -80/(-10)

b = 8

b = 8

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