Question

Solve 2x – 3y = 13; 7x – 2y = 20 using cross multiplication method.

Answer 1

Answer:

2x – 3y = 13; 7x – 2y = 20

2x-3y=13*2

7x-2y=20*3

4x-6y=26

21x-6y=60

17x=34

x=34/17

substitute this x value in any equation we get y value