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Determine the value of k for which the system has no solutions. x+y+3z=3 x+2y-2z=-1 6x+13y+kz=-9

Mathematics
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do you know how to solve simultaneous equations?
It's using the same concept but with three equations.
do i just solve for x, y, z?

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Other answers:

yes u are right, but first focus on the first two equations.
multiply the first eq. by -2 tgo cancel the y
yes and then rearrange in terms of x or z, it's your choice.
huh?
I sent u a link in msg, go check it out.
It should be really easy to follow.

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