Find x, if `x+y= 7` and `x-y=5`,

Find x, if x+2y=7 and 3x-2y= -1 ,

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

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

Use matrix method to solve the equations 5x - 7y = 2 and 7x - 5y = 3

For simultaneous equations in variables x and y, if D_x = -14, D_y =7 and D = -35, then find the values of x and y.

If 4x+5y=10,5x+4y=17 then find the value of x+y and x-y .

Find the value of y in the equation 2x+y=7 , if x=2 . Find x if y =-1 .