11. 4 1/2 - w = 3 12. 8 - 2p = 7 1/2 13. 3q + 5 1/2 = 10 14. 4y/5 = 2 15. z kali z = 4/9 Bantu ya Plis

11. 4 1/2 - w = 3
-w = 3 - 4 1/2
-w = 3 - 2
-w = 1
w = -1


12. 8 - 2p = 7 1/2
-2p = 7 1/2 - 8
-2p = -9/2
p = 9/4
p = 2 1/4


13. 3q + 5 1/2 = 10
3q = 10 - 5 1/2
3q = 15/2
q = 5/2
q = 2 1/2


14. 4y/5 = 2
4x = 10
x = 10/4
x = 5/2
x = 2 1 /2


15. z × z = 49
z pangkat 2 = 49
z = akar 49
z = 7