Question

The sum of three numbers is 2. If twice the second number is added to the
sum of first and third, we get 1. On adding the sum of second and third
numbers to five times the first, we get 6. Find the three numbers by using
matrices.​

Answer 1

Answer:

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Answer 2

Answer:

Let the three numbers be x, y & z

Then as per conditions, we can write-

x+y+z=2

2y+(x+z)=1

(y+z)+5x=6

solving these equations,

we get- x= 1, y= -1 & z= 2.