MaKenzie Smith

This page lists questions and answers that were posted by visitors named MaKenzie Smith.

Questions

The following questions were asked by visitors named MaKenzie Smith.

Solving systems of linear equations in three variables. Ok so i don't really totally get these problems. Can you help me solve this one? and explain everything please? 2x+3y=6+z x-2y=-1-z 3x+y=-1+3z
14 years ago

Answers

The following answers were posted by visitors named MaKenzie Smith.

Ok, this helps a lot, but hold on, i don't get how you got 7y=14? because when i multiply 3x+y=5 by (-2) i get -6x-2y=8. And then when combining that with 6x-5y=-4 i get -7y=4? how did you get 7y=14???
14 years ago
Oh wait, i forgot to multiply the 5 by -2! (idk how i got 8, but watever its not that important) so right you would get y=2. ok i think i get it now! THANKS!
14 years ago