If 5x +4y and 4x +3y =5
15x +12y =18
16x +12y = 20
31x/31= 38/31
x= 1 7/31
20x +16y =24
20x +15y = 5
31/y/31 = 29/31
y=29/31
x +y = 1 7/31 + 29/31
2 5/31
1 answer
this is way out there for us, she's only in 5th grade, but thank you