" (2) "11x+15y=-23" & "7x-2y=20

2x-3y=13; 7x-2y=20

Solve the following system of equations: 11 x+15 y+23=0,\ \ \ 7x-2y-20=0

Solve the following system of by the method of eliminations:(i)11x+15y+23=0 ,7x-2y-20=0

Solve the following pairs of linear equations by cross-multiplication method: 11x+15y+23=0, 7x-2y-20=0

Solve the following system of equations: 11x+15y+23=0,quad 7x-2y-20=0

Find the real numbers (x,y) that satisfy the equation: xy^(2) = 15x^(2) +17xy + 15y^(2) x^(2)y = 20x^(2) + 3y^(2)

Find the value of (x+y) and (x-y) , if (i) 15x-17y=11 , 17x-15y=21 . (ii) 12x+13y=29 , 13x+12y=21 .

7x-15y-2=0 x+2y-3=0

Solve the system of equation :11x+15y+23=0,7x-2y-20=0