Answer:
Explanation:
SORRY ABOUT THE REST OF THE WORKSHEET, THEY ARE SUPPOSED TO ADD UP TO 180 not 90
19.
8x - 16 = 6x + 20
2x = 36
x = 18
M = 8(18) - 16 = 128
N = 128
O = 52
P = 52
20.
21x - 9 = 180
21x = 189
x = 9
W = 110
X = 110
Y = 70
Z = 70
9.5m questions
12.2m answers