Matching Pairs Combine Like TermsOnline version Combine each expression with their simplified version. by Kayla Mitchell 1 6 (2x + x) 2 9 (8x + x) 3 10 (2x + 3) 4 5 (4x + 2x) 5 5x + 3x 6 2x + 2x + 2x 7 10 (5x + 4) 8 4 (9x + 5) 9 7 (3x +4) 10 5 (3x + 6) 11 8 (4x + 5) 12 4x + 4x + 3 8x + 3 20x + 30 6x 8x 18x 50x + 40 30x 21x + 28 36x + 20 81x 32x + 40 15x + 30