Anonym Anonym 09-03-2015 Mathematics Answered Combining like terms. 1)4n + 2p + 15n – 4n – p 2)5x + 12 + y – 3x + 7y – 7 3)7 + 16a + 3a – 2 + a – 2 4)5x + 2y – 3x + y – 5 + 8x