`3x+5y=34 , 5x+3y=30`

3 x + 5y = 12, 5x + 3y = 4 .

If 3x+5y =9 and 5x+3y=7, then find the value of x+y.

If 3x + 5y = 9 and 5x + 3y = 7 , then what is the value of x + y ?

If x : y = 4 :5 , then (3x + y) : (5x + 3y) =

If (3x -4y) : (2x -3y) = (5x -6y) : (4x -5y) , find : x : y .

IF 3x +5Y = 9 and 5x + 3y =7 then find the value of x+y

Maximise z = 10x + 6y ,Subject to 3x + y le 12 , 3x + 5y le 34 ,x,y>,0.

Solve the following system of equations by matrix method : 5x+7y+2=0 4x+6y+3=0 5x+2y=3 3x+2y=5 3x+4y-5=0 x-y+3=0 3x+y=19 3x-y=23 3x+7y=4 x+2y=-1 3x+y=7 5x+3y=12

If 3x+5y=9,5x+3y=7 then find the value of x-y .

Find the value of (x+y) ,if 3x+5y=9,5x+3y=7