Are he two expression equivalent if x=5. 7x+3x. 9x+5

Question

Riley Hutchinson

Mathematics

12 June, 13:08

Are he two expression equivalent if x=5. 7x+3x. 9x+5

+5

Answers (2)

Know the Answer?

Kiley Perkins · Answer 1

Yes

Steps:

1) plug in 5 into the first equation:

7 • 5 = 35 + (3 • 5) = 35 + 15 = 50

2) plug in 5 into the second equation:

9 • 5 = 45 • 5 = 50

3) Compare:

50 = 50

Amara Marsh · Answer 2

yes, the two expressions are equivalent when x = 5

Step-by-step explanation:

7 (5) = 35

3 (5) = 15

35+15=50

9 (5) = 45

45+5=50