SOLUTION: ok, so i have absolutly no clue on what to do with this. write each question as a matrix equation. x + y = 5 x - 2y = -4

Algebra ->  Matrices-and-determiminant -> SOLUTION: ok, so i have absolutly no clue on what to do with this. write each question as a matrix equation. x + y = 5 x - 2y = -4      Log On


   



Question 22302: ok, so i have absolutly no clue on what to do with this. write each question as a matrix equation.
x + y = 5
x - 2y = -4

Found 2 solutions by stanbon, kings kid:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solved by pluggable solver: Linear System solver (using determinant)
Solve:
+system%28+%0D%0A++++1%5Cx+%2B+1%5Cy+=+5%2C%0D%0A++++1%5Cx+%2B+-2%5Cy+=+-4+%29%0D%0A++

Any system of equations:


has solution

or



(x=2, y=3}


Cheers,
Stan H.

Answer by kings kid(1) About Me  (Show Source):