Both define y, so they are equivalent.
5x-9=2x+6
3x-9=6
3x=15
x=5
Then plug in x into any of the equations
y=2(5)+6
y=10+6
y=16
Final answer: (5,16)
Answer: 30x-18
Explanation:
You are to multiply the 6 times 5x and -3
6*5x=30x
6*-3=-18
Answer: 1440 minutes is 1 day
Step-by-step explanation:
Answer:
144/2 = 72
72/2 = 36
36/2 = 18
18 /2 = 9
so jeremy has 9 marbles left
