Answer:
x = 7/3 y = 5/3
Step-by-step explanation:
x + y = 4 Rearrange it to make y the subject
y = 4 - x
2x - y = 3 substitute in rearranged value for y
2x - (4 - x) = 3
3x - 4 = 3
3x = 7
x = 7/3
Substitute into equation 1
7/3 + y = 4
y = 5/3