Someone please help me with this matrices problem!!! Will medal and fan!
Stacey Warren - Expert brainly.com
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It doesn't need to be multiple choice. I already figured out what x, y, and z are just by using logic.
I'll give you a couple of tips. In the second line, you notice that 4x and 5y added only get 3, so that means either x or y is negative. In the third line, you notice that y minus-3 times z is -10 so that means y is a small number and z is definitely positive.
I know but I have to write out each step using matrices to get credit...
hate systems like that
ya me too... anyway thanks for trying to help
this is very long and annoying
you have to use some sort of elimination
i would cheat if it was me
you can multiply the first equation by \(-4\) and add it to the second
that will eliminate the \(x\) terms, then you will be left with two equations and two unknowns
You didn't read my previous comment did you? I have to show my work with the matrices to get credit
4x+5y=3\] add and get oh i see
are you supposed to row reduce the matrix? it is really the same thing exactly