Answer:
x=1 y=2
Explanation:
Isolate x for 4x -y =2: x=2+y/4
Substitute x= 2+y/4
(2+13y/4) +3y=7
simplify 2+13y/4) =7
Isolate y for 2+13y/4) =7: y=2
Forx= 2+y/4
Substitute y =2
x=2+2/4
x=1
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