Question

6(5r-11) - (5 - r) A: 30r - 71 B: 31r - 71 C: 29r - 71 D: 31r- 61 please help asap

Answer 1

B

Explanation:

6(5r-11) - (5 - r)

Expand.

30r-66 - 5 + r

Rearrange.

30r + r - 66 - 5

31r - 66 - 5

Factor negative sign.

31r - (66+5)

Add.

31r - (71)

Answer 2

31r-71

Explanation:

=> 6(5r-11)-(5-r)

=> 30r-66-5+r

=> 30r+r-66-5

=> 31r-71