Answer:
y = 49 - x
Step-by-step explanation:
Let the other number be y.
Given x + y = 49
x+y-x = 49 - x
y = 49 - x
First add 5 to right side

Next , to cancel the 7, you need to multiply by 7 on both sides
Answer:
the circumfrence is at lease 2.19 decimals
Step-by-step explanation:
3x - 14y = 92x use the circumfrence of the circle which is pi 3.14