Identify the expeession equivalent to 2x+8 by substituting x=7 and x=5.​

Step-by-step explanation:

If you substitute the x in 2x+8 with 7, you get:

2(7)+8

14+8

22

If you substitute the x in 2x+8 with 5, you get:

2(5)+8

10+8

18

Hope this helps!

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8