Answer:
a = w - 3b + 4/6
Step-by-step explanation:
from the equation w=3(2a+b)-4 to make "a" the subject of the formulae
we have,
w = 6a + 3b - 4
by rearranging
6a = w-3b + 4
since we are making a the subject, we divide both sides by 6
we have
6a/6 = w - 3b + 4/6
therefore;
a = w - 3b + 4/6