SOLUTION: Hello! Please help with the below problem. Thank you in advance! Solve the given system of equations using Gaussian elimination. If the system has no solution, say it is inconsi

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Hello! Please help with the below problem. Thank you in advance! Solve the given system of equations using Gaussian elimination. If the system has no solution, say it is inconsi      Log On


   

Question 842452: Hello! Please help with the below problem. Thank you in advance!
Solve the given system of equations using Gaussian elimination. If the system has no solution, say it is inconsistent and type NS in all blanks.
x+y=1
9x-8y=64/9

If the system has a solution, enter the exact answers.
x=
y=
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x%2By=1
1.8x%2B8y=8
2.9x-8y=64%2F9
Add eqs. 1 and 2,
8x%2B8y%2B9x-8y=8%2B64%2F9
17x=%2872%2B64%29%2F9
x=136%2F%2817%2A9%29
x=8%2F9
Then,
x%2By=1
8%2F9%2By=1
y=1%2F9