Answer:
(3,6)
Step-by-step explanation:
-2x+3y=12
Let x = 3
-2(3) +3y = 12
-6+3y = 12
Add 6 to each side
-6+6 +3y = 12+6
3y = 18
Divide each side by 3
3y/3 = 18/3
y = 6
Answer:
19 cars.
Step-by-step explanation:
Using a fraction is easy. Here's the ratio: 95/55
Reduce.
95/55 = ?/11
Divide 55 by 5 and you get 11. Do the same for 95. 95 divided by 5. Then you get 19. That's your answer.
The answer would be 1 liter of milk
For this question you can say:
10/2 = a/a-9 is equal to 2a = 10a - 90
so now you should add -10a on both sides:
2a -10a = -90 ⇒ -8a = -90 ⇒ a = -90/-8 ⇒ a = 11.25 :)))
i hope this is helpful
have a nice day
