Question

If 13x + 15y = 110 and
15x + 13y =114...then find the value of "x - y "​

Answer 1

Step-by-step explanation:

13x+ 15y=110........(1)

15x+13y=114..........(2)

subtracting equation (1) from (2) we get

15x+13y=114

- 13 x+15y= 110

- -

................................

2x-2y=4

therefore x-y = 2 ....dividing through out by 2

x-y=2

Answer 2

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• x-y=2