For the first one Y = -6
3x + 2Y = -16
-2y -2y
3x = -18y
— —
3x 3x
Then divide -18y divided by 3X
To get Y= -6
Hope that helped!
Answer: 54
Step-by-step explanation:
First we add 17 plus 18 to dins total number of students I got 35
Then we make ratio
3/35
So we know we have total number of 630 kids then we make a ratio with no teacher so x
X/630
Lin both together then done ☑️
Answer:2/5
Step-by-step explanation:
3/5 of 45
3/5 x 45
(3x45)/5
135/5=27
45-27=18
What of fraction of 45 equals 18
Let the fraction be y
y of 45=18
y x 45=18
Divide both sides by 45
(y x 45)/45=18/45
y=2/5
Answer: 2x+y=20 (A)
Step-by-step explanation: