Answer:
x=1 & y=2
Step-by-step explanation:
x + 3y = 7 ------(1)
4x - 7y = -10 ---------(2)
(1)×4 4x + 12y = 28 --------(3)
(3)-(2) 19y = 38
y = 2
sub y=2 into(2)
(2)=> 4x - 14 = -10
4x = 4
x = 1