[" Solve the following for "x" and "y],[x+2y=-1;2x-3y=12]

(3) x+2y=-1;2x-3y=12

By equating coefficients of variables solve the following equation x-2y = -10 , 3x-5y = -12

Solve for x and y : x+y=2and2x-y=1

Solve the following simultaneous equations: 2x+3y=12,x-y=1 .

Solve the following equations for (x - 3)^(2) and (y + 2)^(2) : 2x^(2) + y^(2) - 12x + 4y + 16 = 0 and 3x^(2) - 2y^(2) - 18x - 8y + 3 = 0 .