3 = - (-y + 6)

a. - 9

b. - 3

c. 3

d. 9

3 = - (-y + 6)

First, simplify brackets. / Your problem should look like: 3 = y - 6

Second, add 6 to both sides. / Your problem should look like: 3 + 6 = y

Third, simplify 3 + 6 to 9. / Your problem should look like: 9 = y

Fourth, switch sides. / Your problem should look like: y = 9

The answer is D) 9.