Answer:
x=4, y=2
Step-by-step explanation:
set both equations even
( x+3y=10 ) 2
= 2x+6y=20
2x+2y=12
subtract
4y=8
y=2
plug back in for x
2x + 2(2) = 12
2x + 4 = 12
2x = 8
x=4