Question

Solve x+2y=5, 2x-2y=-4 by cross multiplication method

Answer 1

Step-by-step explanation:

x+2y=5-------1). 2x-2y= -4-----2). Multiplying equation 1) by 2. 2x+4y=10------3). equation 3)-equation 2). We get y=7. after substituation of this value in any equation we get. x=-9.