Answer:
Infinitely many solutions.
Step-by-step explanation:
2x+y=3
6x=9-3y
-------------
y=3-2x
6x=9-3(3-2x)
6x=9-9+6x
6x=6x
infinitely many solutions
Integers are whole numbers meaning numbers that's aren't fractions, the numbers lower than zero are negative number and they just go backwards.
Answer:
3. 
2. 
1. 
Step-by-step explanation:
3. 2x - 5y = −7
- 2x - 2x
__________

2. 5x + 7y = 14
- 5x - 5x
__________

1. 6x + 3y = 12
- 6x - 6x
__________

I am joyous to assist you anytime.
I think it is b but no positive
Melissa will need 1.5 gallons of blue paint for each gallon of yellow paint.