How do i solve x-y+8 if x=5 and y=3?

First, you input the numbers that have the variables. So the first equation would be 5-3+8. That equation equals 10.

The answer to the expression is 10.

Substitute the values of x and y into the expression.

x-y+8

5-3+8

Subtract/add from left to right.

2+8

10

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.