Question

solve the simultaneous equation by cross multiplication method
8x+5y=11
3x-4y=10​

Answer 1

Answer:

3 (8x+5y=11)

8 (3x-4y=10)

24x+15y=33

24x-32y=80

subtracting , we get

47y=-47

y=-47/47=-1

putting the value of y in 1st equation

8x+5 (-1)=11

8x-5=11

8x=11+5

x=16/8=2

x=2

y=-1 Answer

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