Question

2x+5y=3, 7x-2y=4 solve this equation by cross multiplication​

Answer 1

Answer:

2x+5y=3. 7x-2y=4

2x=3-5y. 7x=4+2y

x=(3-5y)/2. x=(4+2y)/7

x=x

(3-5y) /2=(4+2y)/7

7(3-5y)=2(4+2y)

21-35y=8+4y

21-8=35y+4y

13=39y

y=39/13