Question

Are 4x and 15 + x equivalent expressions? Explain why or why not

Answer 1

Answer: No.

Step-by-step explanation: 15 +5 is 20,

and ,

4(5) is also 20,

so,

20=20

Answer 2

Are equivalent

Explanation:

4x=15+x

3x=15

x=5

4*5=15+5