12a + 6.4 - 5 - 2a - 3a + 3 = - 9 - 1.5x + 2x + 6 - 1.8x + 0.56x - 2.7 + 0.9(5x)\4.2(2y) - 6.4 + 8 - y - 2.4y + 7.2 - 1.8y = 1.66667a + 12 - 6 - 6 + 6 - 7.5 + 6 - 6 - 1/3(18) + 1/11.784a + 5/8x + 10 - 4 =
12a + 6.4 - 5 - 2a - 3a + 3 = - 9 - 1.5x + 2x + 6 - 1.8x + 0.56x - 2.7 + 0.9(5x)\
4.2(2y) - 6.4 + 8 - y - 2.4y + 7.2 - 1.8y = 1.66667a + 12 - 6 - 6 + 6 - 7.5 + 6 - 6 - 1/3(18) + 1/11.784a + 5/8x + 10 - 4 =