1) 63x - 54 - 18x = 45x - 542) 7a - 114 + 6a = 13a - 1143) 4.8x - 1.6 + 1.6x - 6.4 = 6.4x - 84) 14b - 16c - 7b + 8a - 5.6 + 5.8z - 3.1z + 5.6 = 7b - 16c + 8a + 0.2z5) 5.6b - 6.72c - 8.75b + 10a + 5.8 - 4.9 + 5.8z - 3.1z - 5.6 = -3.15b - 6.72c + 10a + 1.2z - 0.96) 16/15a - 56/30b - 14/30a + 28/30b = 2/15a - 28/30b
1) 63x - 54 - 18x = 45x - 54
2) 7a - 114 + 6a = 13a - 114
3) 4.8x - 1.6 + 1.6x - 6.4 = 6.4x - 8
4) 14b - 16c - 7b + 8a - 5.6 + 5.8z - 3.1z + 5.6 = 7b - 16c + 8a + 0.2z
5) 5.6b - 6.72c - 8.75b + 10a + 5.8 - 4.9 + 5.8z - 3.1z - 5.6 = -3.15b - 6.72c + 10a + 1.2z - 0.9
6) 16/15a - 56/30b - 14/30a + 28/30b = 2/15a - 28/30b