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ihatethisevenmoremore

it is not C

this takes a bit but not too bad
ready?

this is where you say "yeah i am ready even though i hate this even more"

yeah i am ready even though i hate this even more

ok the last line has 1, -2 which means \(z=-2\)

the second to last line has 1, 1, 3 which means \[y+z=3\] we know \(z=-2\) so
\[y-2=3\]or
\[y=5\]

solve for \(a\) and get your answer
you can do it or you want help?

oops i meant "solve for \(x\)"

its B? then

yeah B

okay 1 or 2 more then i promise ill let you go :'(

i have to say for someone starting out with matrices this is a dumb question but whatever

yeah i always stay up until 3 to help...

I think its D?

C is out

i mean matrix C is out

oh maybe not let me shut up

|dw:1433573306445:dw|

so BA is ok right?

|dw:1433573324663:dw|

and CB?

okay so can CB not work or

CB ok [2,4][4,1] right?

oh wait so it's E then??

ok ok so LAST ONE

cheat

you got this?