Question

PLEASE HURRY!

Determine whether each pair of expressions are equivalent.

-1/5 (10t - 15) and -2t + 3 Yes / No

0.3x (4 - y) and -1.2x - 0.3y Yes / No

2j + 8k - 4k and 8 (1/4j + 1/2k) Yes / No

x - 20 - x and 5 (4 - 1/5x) Yes / No

Answer 1

• -1/5 (10t - 15) and -2t + 3
• 2j + 8k - 4k and 8 (1/4j + 1/2k)

Explanation:

-1/5 (10t - 15) and -2t + 3

-2t + 3 and -2t + 3 Yes / No

0.3x (4 - y) and -1.2x - 0.3y

1.2x - 0.3xy and -1.2x - 0.3y Yes / No

2j + 8k - 4k and 8 (1/4j + 1/2k)

2j + 8k - 4k and 2j + 4k

2j + 4k and 2j + 4k Yes / No

x - 20 - x and 5 (4 - 1/5x)

x - 20 - x and 20 - 1x

-20 and 20 - x Yes / No

Hope this helps!