Answer:
unsolvable because the second equation is just -2.5 times the first equation.
Step-by-step explanation:
2x-6y=12 then 2x=12+6y x=6+3y
-5x+15y=-30
substitute x
-5(6+3y)+15y=-30
-30-15y+15y=-30
y=y
B because it is between x: 4 and 6. And it is linear and decreasing
Answer: don't know sorry
Step-by-step explanation:
Answer:
Step-by-step explanation:
2x+y=14+y
x=7
7+13y=35-y
14y=28
y=2
