3.4.19.5

The distributive property states that multiplying a sum by a number gives the same result as multiplying each addend by the number and then adding the products: 8 x 7 = 8 (5 + 2), (8 x 5) + (8 x 2), 40 + 16 all equal 56; 5 x 23 = 5 (20 + 3), (5 x 20) + (5 x 3), 100 + 15 all equal 115.