Answer:
1. (28-2)x
2.(12+6)x
3.(15+1)x
Step-by-step explanation:
Answer:
54.4
Step-by-step explanation:
Answer: y67
Step-by-step explanation:5n − 19 + n + 7 = 144 − 6n
6n − 12 = 144 − 6n
12n = 156
n = 13
m∠z = (144−6n)°
m∠z = (144−6×13)°
m∠z = y67
Answer:
x = 36
Step-by-step explanation: