3x-y=5 .....1)
y=7-x ....2)
substituting y in eqn 1
3x-(7-x) = 5
4x -7 =5
x = 12/4
x =3
y =7-x = 7-3= 4
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Verified answer
3x-y=5 .....1)
y=7-x ....2)
substituting y in eqn 1
3x-(7-x) = 5
4x -7 =5
x = 12/4
x =3
y =7-x = 7-3= 4
D) (x,y) =(3,4)