Question

Solve the equation for a.

K = 4a + 9ab

a = K(4 + 9b)
a = 4(K + 9b)
a = a equals StartFraction 4 plus 9 b Over K EndFraction equals h.
a = a equals StartFraction K Over 4 plus 9 b EndFraction equals h.

Answer 1

a = K/(4 + 9b)

Explanation:

K = a(4 + 9b) Factorise a;

a = K/(4 + 9b) Divide both sides by (4 + 9b).