Question

20 Points!!

Solve 2(4 x + 3) < 5 x + 21.


A) x
B) x
C) x
D) x

Answer 1

D

Explanation:

8x-5x<21-6

x<15÷3

x<5

Answer 2

D) x

Explanation:

2(4 x + 3) < 5 x + 21

Distribute

8x +6 < 5x+21

Subtract 5x from each side

8x-5x+6 < 5x-5x+21

3x+6 < 21

Subtract 6 from each side

3x+6-6<21-6

3x <15

Divide each side by 3

3x/3 <15/3

x < 5