1. 3x(4 + 1) = 3x (5) = 15x

2. a(4 - 1) = a (3) = 3a

3. b (3 + 1) = b (4) = 4b

4. 2x (2 - 1) + y (5 - 1)

= 2x (1) + y (4)

= 2x + 4y

Return to Example Page