Answer:
18-3(n-1)
Step-by-step explanation:
(1)x+y=11 given
(2)x-y=5 given
x=5+y equality property of addition (add y to both sides of (2)
5+y+y=11 sub previous result in to (1)
2y=6 algebra and simplificatiuon
y=3 division property of equality (divide both sides by 2)
x=8 again sub previous into (1)
Hello!
Deanna starts running at 7:30, and runs for an hour and a half. Meaning, 1:30
To find out how long she ends up running, we must add the hour and a half to the time she started running:
7:30 + 1:30 = 9:00
Deanna ends up running until 9:00.
Answer:
n = 3.02
Step-by-step explanation:
12.65 - n = 9.63
- n = 9.63 - 12.65
- n = - 3.02
-n/-1 = -3.02/-1
n = 3.02