Question

23x-29y=98; 29x-23y=110. solve for x and y.​

Answer 1

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Answer 2

23x-29y=98.......equation 1

29x-23y=110......equation 2

Step-by-step explanation:

adding eq 1 and 2

we get,52x-52y=208.....eq 3

divide eq 3 by 13.

4x-4y=16......divide it by 4.

x-y=4.........eq 4

now subtracting eq 1 and 2

6x-6y=12...divide it by 6

x-y=6.....eq 5

now subtracting equation 4 and 5.

we get.

2x=2

so ×=2/2

therefore x=1

put x=1 in eq. 1

×-y=4

1-y=4

-y=4-1

-y=3

y=-3

solution is (×,y)=(1,-3)