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videos online make no sense to me :(

yes kind of. so what do i do with -x-3z=-1 ?

like my answer has to be an ordered triple like (2,-3,4) for example?

ok so what do i do with 10x + 5z = 10 and -x - 3z = -1 ?

@texaschic101 we have two method , (method gauss ) or (method cramer) we can use to find it

did u study method cramer in algebra ?

i mean matrix and this things

sorry about that....do you have questions ?