Use matrices to solve the system.

2x+3y=4

5x+8y=11

Question

Use matrices to solve the system.
                  
  2x+3y=4

5x+8y=11

anonymous · Answer

I have the matrices set up. I don't know how to solve and my calculator isn't working for some reason.

anonymous · Answer

[2 3 5 8][x y]= [4 11]

anonymous · Answer

@Melissy

dan815 · Answer

use substituion or gauss jordan elimination

dan815 · Answer

first write this in matrix form and do gauss jordan elimination, youtube GAUSS jordan elimination if you dont know how to do that

anonymous · Answer

Okay..

anonymous · Answer

Im just going to use substitution. I don't have time to learn new techniques.

dan815 · Answer

alright

anonymous · Answer

wait i can't even do that. I need to use matrices. Im so stressed out, this is so much to handle. Sorry. Just having a mental breakdown over this.

dan815 · Answer

no chill out! its easier than you think

dan815 · Answer

just wach some calming youtube videos on matrices

anonymous · Answer

Im trying. ok. My book gives a step by step ( i learned this and did amazing on it btw but i can not remember anything for ****) and i really don't understand it

anonymous · Answer

Dan can you help me set it up and work it out?

zzr0ck3r · Answer

Gauss elimination with 2 equation in two unknowns will be exactly like elimination you learned in freshman math, just put matrix bars around it:)

anonymous · Answer

Can anyone help?

zzr0ck3r · Answer

google row reduce echelon form,

anonymous · Answer

okay.