Question

x+2y=13
3x-y=0
me ajudem por favor

Answer 1

x+2y=13

3x-y=0

x=13-2y

3(13-2y)-y=0

39-6y-y=0

39-7y=0

-7y=-39

y=-39/-7

y= 39/7

y= 5,57

x+2*39/7=13

x+11,14=13

x=13-11,14

x=1,86

x=1,86 & y=5,57