Answer:
21°
Step-by-step explanation:
set it up
7x-1+3x-9=180
combine like terms
10x-10=180
take the ten to the other side
10x=190
divide both sides by 10
x=19
plug x in
3(10)-9
30-9
21
(Incase you need it the other angle is 159°)
Answer:
102
Step-by-step explanation:
140-38=102
Answer:
The last answer on your last image
Step-by-step explanation:
Answer:
16100
Step-by-step explanation:
17500×0.92=16100
Answer: 440 dollars
Step-by-step explanation: