Question

22. Solve the following pair of equations by reducin
linear equations :
owing pair of equations by reducing them to a pair of
(i) + = 5 and 1 - 1 = 2
3
3
- 2 and
2
y+1
X-
1
y
+
1
23. Solve : 2+2
which y = ax + 4
RIW
+
3y
= 0 and hence find the value of 'a' for
Na
24. Solve : (i) 11x + 17'y = 23 and 17x + 11y = 5
(ii) 599x + 101y = 801 and 101 +599 = 1299
25. Solve for x and y: 4x + 9 = 15 and 3x - 2 = 7, where y + 0. Hence
find the value of m if 2y = 3mx + 5
26. Solve : + = 23 and 1 - 1 = 18
23
18
+
xy
27. Solve the pair of equations 2x - y = 4 and 3y - x=3 graphically. A
find the points where the lines meet y-axis.​

Answer 1

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