SOLUTION: 8X+13Y=271.80 10X+15Y=321.00 use theinverse of the coefficient matrix of the equivalent matrix equation to solve

Algebra ->  Matrices-and-determiminant -> SOLUTION: 8X+13Y=271.80 10X+15Y=321.00 use theinverse of the coefficient matrix of the equivalent matrix equation to solve       Log On


   



Question 593151: 8X+13Y=271.80 10X+15Y=321.00 use theinverse of the coefficient matrix of the equivalent matrix equation to solve

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
8X+13Y=271.80
10X+15Y=321.00
------
I used the matrix function on a TI-84 to get:
x = 9.6
y = 15