3x+4y=10 and 4x+y=9

Answer 1

3x+4y=10 and 4x+y=9

Answer 2

impatient much?
Repeated postings will not get faster or better responses.

since y = 9-4x, use that to get
3x+4(9-4x) = 10
3x+36-16x = 10
-12x = -26
x = 2
so y = 1