Question

X+2=7
I={…-1,0,1,…}
Answer:

Answer 1

X = 5

Explanation:

x + 2 = 7

- 2 = -2

0 5

x = 5

So x = 5. To check my work, we know that 5+2=7. Or 7-2=5

Hope this helps ☝️☝☝