Question

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Answer 1

`-2b-1`

Explanation:

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

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

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

`(2r)/(2) = (-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