Question

Solve the following pair of equations by the method of cross multiplication: 2x+3y=9 ; x-y=2

Answer 1

Step-by-step explanation:

2x+3y=9-----1). x-y=2 --------2). Multiplying equation 2) by 3 3x-3y=6 -----3). Adding equation 1) + 3). We get x=3. after substitution of this value in any equation we get y=1.