Answer:
-7
Step-by-step explanation:

it is possible because x is just a letter representing the unknown nos
Answer:
x=1
y=-1/2
Step-by-step explanation:
x+2y=0....(1)
10y=-5.....(2)
From (2) we can find y.
y=-5/10
y=-1/2
Use that in (1)
x+2*(-1/2)=0
x-1=0
x=1
Answer:
The ratio of red sweets to yellow sweets is 12.
Answer: 10
Step-by-step explanation: subtract 5 by 45 to get 40 then divide 4 to get 10