Answer :
use * as multiplication symbol
5(9 - 3) = w * 9 - 5 * 3
Let's simply the equation
5(6) = 9w - 15
30 = 9w - 15
Add 15 to both sides
45 = 9w
w = 5
5(9 - 3) = w * 9 - 5 * 3
Let's simply the equation
5(6) = 9w - 15
30 = 9w - 15
Add 15 to both sides
45 = 9w
w = 5