Question

Do 4x and 15 + x have the same value when x is 5? How do you know?

Answer 1

Yes

Explanation:

x = 5

4(5) = 15 + (5)

20 = 20

Answer 2

yes

Explanation:

If x = 5,

4x=4*5=20

15+x=15+5=20

They're both the same.