Question

7. If 2x + y = 35 and 3x + 4y = 65, find the value UI
y
8. Find the value of c for which the pair of equations : 2x + cy = 1; 3x + 5y = 7 will have
(i) a unique solution; (ii) no solution. Is there a value of c for which the system has infinite number of
pairs of equations have unique solutions:
2x + 3y - 5 = 0; kx - 6y - 8 =​

Answer 1

Answer:

The value of x is 15

The value of y is 5