Question

4x - 2y - z = 7, 5x - 3y + z = 22, 2x + y - 3z = 1,find x

Answer 1

AnswerHere

4x - 2y - z = 7 .....(1)

5x - 3y + z= 22 .....(2)

2x + y - 3z = 1 ......(3)

Adding (1) and (2)

-x -5y =29 .....(4)

Multiplying eq (2) by 3 and adding eq (3)

17x - 14y= 67 .....(5)

Now solve eq (4) and (5) to get answer

Step-by-step explanation:

Answer 2

hope this helps..........