Question

Rearrange this to make a the subject

Answer 1

w = 3(2a + b) - 4

w = 6a + 3b - 4

a = (w - 3b + 4) / 6

Answer 2

`a = (w + 4 - 3b)/(6)`

Explanation:

`w = 3(2a + b) - 4 \\ w + 4 = 6a + 3b \\ w + 4 - 3b = 6a \\ (w + 4 - 3b )/(6) = (6a)/(6) \\ \\ a = (w + 4 - 3b)/(6)`