x + 2y + 3z = 2 --- i

x + y - z = 0 ----ii

2x + 2y - z = 1 ----iii


Multiply equation ii by 2

2x+2y=2z. Substitute value of 2x+2y in equation iii
2z-z=1 or z=1

x+2y=-1 --- iv
x+y =1 ---v

Solving , we get, y=-2

Bren

If you plan to take it again make sure you analyze your errors during practice. Keep a log of the type of errors you are making and if possible practice more of those type of questions. That will make a difference

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