Question

What is the solution of the system? Use elimination.

Answer 1

{ 5 x - y = 20
  2 x + y = 15
_____________
7 x = 35

x = 35 / 7

x =  5

For y :

2 x + y = 15

2*(5) + y = 15

10 + y = 15

y = 15 - 10

y = 5

Answer A  ( 5,5 )

hope this helps!