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Could anyone help me with this math problem please..

1. Recall that a system of linear equations is singular if it has none or infinitely many solutions. Explain why the system u+2w = 0 is singular by finding a combination of the three equations that adds up to 0 = 1. What value should replace the last zero on the right side to allow the equations to have solutions-and what is one of the solutions?
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Answer #1

u+2v+3w-1 u+2v+3w -(u+v+w) -(v+2w)-1-2-0 0--1 so this system does not have solution so it is singular if zero in third eqauti

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