and
: x x
Я y
the value
x = 1/2
y = 2 when x= 5; when a=
of y is
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Answer:
Explanation:
(i)
2x
1
+
3y
1
=2;
3x
1
+
2y
1
=
6
13
(ii)
x
2
+
y
3
=2;
x
4
−
y
9
=−1
(iii)
x
4
+3y=14;
x
3
−4y=23
(iv)
x−1
5
+
y−2
1
=2;
x−1
6
−
y−2
3
=1
(v)
xy
7x−2y
=5;
xy
8x+7y
=15
(vi) 6x+3y=6xy;2x+4y=5xy
(vii)
x+y
10
+
x−y
2
=4;
x+y
15
−
x−y
5
=−2
(viii)
3x+y
1
+
3x−y
1
=
4
3
;
2(3x+y)
1
−
2(3x−y)
1
=
8
−1
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