Answer:
x−y=3....(1)
3
x
+
2
y
=6....(2)
Find the value of x from equation and substitute in equation (2).
x=3+y
Now
3+y
=6
6
6+2y+3y
⇒
6+5y
⇒6+5y=36⇒5y=36−6=30
y=
5
30
and x=3+y=3+6=9
The value of x is 9 and the value of y is 6.
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Answers & Comments
Answer:
x−y=3....(1)
3
x
+
2
y
=6....(2)
Find the value of x from equation and substitute in equation (2).
x=3+y
Now
3
3+y
+
2
y
=6
6
6+2y+3y
=6
⇒
6
6+5y
=6
⇒6+5y=36⇒5y=36−6=30
y=
5
30
=6
and x=3+y=3+6=9
The value of x is 9 and the value of y is 6.