Question

uation (3), web
EXERCISE 5 (a)
5 and y = -2
16. (
1. If (5. k) is a solution of the equation 2x + y - 7
=0, find the value of k.
(ICSE)
Solve the following simultaneous equations :
2. x + y = 5, x - y = 3
3. y = 2x - 6, y = 0
4. p = 2q - 1,9 = 5 - 3p
5. 9x + 4y = 5, 4x - 5y = 9
6. x + 3y = 5, 3x - y = 5
7. 3x - 7y + 10 = 0, y - 2x - 3 = 0
8. 20u - 30v = 13, 10v - 10u = -5
9. 2x - 3y = 1.3, y - x = 0.5
10. 11x + 15y + 23 = 0, 7x - 2y - 20 = 0
11. 3- (x - 5) = y + 2
2(x + y)=4-3y
(ICSE)
17. (1)
3x
18.
dicate the product
19. X
V
12. (i) +?=6,
--
2
4​

Answer 1

Answer:

Solution: The given system may be written as. 2x + y − 5 = 0 4x + 2y − 10 = 0. The given ... kx − 2y + 6 = 0 4x + 3y + 9 = 0. The given ... 2x − 3y = 7 (k + 2)x − (2k + 1)y = 3(2k − 1).

Step-by-step explanation: