Create an equivalent system of equations using the sum of the system and the first equation. X + 4y = 8
4x + y = 2
x + 4y = 8
5x + y = 2
Ox + 4y = 8
5x + 5y = 2
x + 4y = 8
4x + 5y = 10
0x + 4y = 8
5x + 5y = 10

Can someone explain the elimination method to me for this problem?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Why is studying fractions important