1/2a + (-3a) - 3b - 0.7a
If you would like to calculate 1/2 a + (-3 a) - 3 b - 0.7 a, you can do this using the following steps:1/2 a + (-3 a) - 3 b - 0.7 a = 0.5 a - 3 a - 0.7 a - 3 b = - 3.2 a - 3 bThe correct result would beĀ - 3.2 a - 3 b.