Answer:
x = -7, y = -9
Step-by-step explanation:
The coefficient (the number before) the y is the same but the signs are opposite so add the equations together:
x-3x+y-y=-16+30
-2x=14
x=-7
y=-16-x=-16--7=-9
It is 5:9 in simplest form
Answer:
1.575
Step-by-step explanation:
2600 divided by 45 equals 57.7 repeating or rounding up 58