Respuesta :
Answer: Choice C) -2b - 1
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Work Shown:
3r + 2 - r = -4b
(3r-r) + 2 = -4b
2r + 2 = -4b
2r+2-2 = -4b-2 .... subtracting 2 from both sides
2r = -4b-2
2r/2 = (-4b-2)/2 .... dividing both sides by 2
r = (-4b-2)/2
r = (-4b)/2 - 2/2 ... break up the fraction
r = -2b - 1
Answer:
[tex]-2b-1[/tex]
Step-by-step explanation:
[tex]3r+2-r=-4b[/tex]
[tex]2r+2=-4b[/tex] (Subtract r from 3r)
[tex]2r+2-2=-4b-2[/tex] (Subtract 2 from both sides)
[tex]\frac{2r}{2} = \frac{-2b-1}{2}[/tex] (Divide both sides by 2)
[tex]r=-2b-1[/tex]