Answer:
g
a = --------------
4c - 3b
Explanation:
To solve 4x=-4r+2d for x, divide both sides by 4, obtaining:
x = - r + (1/2)d
To solve g = 4ac - 3ab for a, first factor a out of 4ac - 3ab, obtaining
g = a(4c - 3b). Next, isolate a by dividing both sides by 4c - 3b:
g
a = --------------
4c - 3b