Question

Simplify (4r - s) - (r + 2s) + (3r - s)

A.) 6r - 3s
B.) 8r
C.) 3r - 2s
D.) 6r - 4s

Answer 1

D) 6r - 4s

Explanation:

`(4r - s) - (r + 2s) + (3r - s) \\ 4r - s - r - 2s + 3r - s \\ 4r - r + 3r - s - 2s - s \\ 6r - 4s \\`

Answer 2

Answer: D

Explanation:

4r-r+3r can be simplified to just 6r

-s-2s-s can be simplified to just -4s