Find y, if `x +y=10` and `3y-x =6`.

Choose the correct alternative answer for each of the following question What is the value of (1/x - 1/y) , if 6/x = 3/y = 10 and 2/x - 5/y = 6 ?

If x - y = 10 and x = 2y, then

Find the value of x, if 3x+y=15 and y=4

If x + y = 10 and x - y = 12, then

Find the value of x, if 4x+3y=23 and y=5

Find the equation of the line parallel to the X-axis and passing through the point of intersection of lines x+y-2=0 and 4x+3y=10

Find the value of x, if 2x+y=7 and y=-3

Express the following equation in matrix form and solve them by the method of reduction: x+y+z = 6 , 3x-y+3z = 10 and 5x+5y-4z = 3 .

Let alpha be the distance between lines -x+y=2 and x-y=2 and beta be the distance between the lines 4x-3y= 5 and 6y-8x = 1 , then