Reduce the system of linear equations to upper triangular form and solve. 5x+2y=8, -x+3y=9

glasskerfu

glasskerfu

Answered question

2021-09-16

Reduce the system of linear equations to upper triangular form and solve.
5x+2y=8
-x+3y=9

Answer & Explanation

Fatema Sutton

Fatema Sutton

Skilled2021-09-17Added 88 answers

System becomes: 5x+2y=8
(25)y+3y=(85)+9
(175)y=535
Add 1/5 times first equation to second.
y=(535)(517)=5317
5x+2(5317)=8
5x=8(10617)
5x=3017
x=617
Solve the system.
Jeffrey Jordon

Jeffrey Jordon

Expert2021-10-13Added 2605 answers

Answer is given below (on video)

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