Question

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Answer 1

Answer:

$-2b-1$

Step-by-step explanation:

$3r+2-r=-4b$

$2r+2=-4b$ (Subtract r from 3r)

$2r+2-2=-4b-2$ (Subtract 2 from both sides)

$\frac{2r}{2} = \frac{-2b-1}{2}$ (Divide both sides by 2)

$r=-2b-1$

Answer 2

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