Question

Which expression has a solution of 6, if r = 4?

1. r + 2
2. 4 - r
3. 10 + r
4. r - 10

Answer 1

1.

Explanation:

Answer 2

1.

Explanation:

1. 4 + 2 = 6

2. 4 - 4 = 0

3. 10 + 4 = 14

4. 4 - 10 = -6

number 1 is the right answer