If 2x + y = 5 and 3x – 4y = 2, then the value of 2xy is
Q182.
If 3x - 5y = 5 and then what is the value of 2xy is
Q183.
If 4x + 3y = 18xy and 2x - 5y + 4xy = 0, then the values of x and y will be respectively
Q184.
If 2x + y = 17; y + 2z = 15 and x + y = 9, then what is the value of 4x + 3y + z?
Q185.
If 3x – 4y + z = 7; 2x – Z + 3y = 19; x + 2y + 2z = 24, then what is the value of z?
Q186.
If 2x + y = 15, 2y + z = 25 and 2z + x = 26, what is the value of z?
Q187.
If 2x + 3y = 31, y –z= 4 and x + 2z = 11, then what is the value of x + y+z?
Q188.
The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs.4000. The total price of 12 chairs and 3 tables is