Example: Complete the following table for the expression 3x-5 with the given values for x.
Input
Х
Expression
3x - 5
Output
4
7
3(4) - 5
12-5
16
7
3(7) - 5
21 - 5
1
2
3(2) - 5
6 - 5

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza