Question

5. Solve the following pair of linear equations varia
of the
H
substitution method :
(i) x + y = 14
x - y = 4
(iii) 3x - y = 3
9x - 3y=9
(v) 2x + 73y = 0
(ii) s - t = 3
S t
+
= 6
3 2
(iv) 0.2x + 0.3y = 1.3
0.4 x +0.5y = 2.3
3 x 5 y
(vi)
2 3
у 13
3 2 6
도
fron
solu
=
- 2
х
13x – 18y= 0
+
(vii)
2x
у
+
= 2
a 6
х у
= 4
a 6​

Answer 1

Answer:

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