SOLUTION: 3x - 2y = 5 x - y = 0 solve the following pairs of simultaneous equations using the matrix method. give answers as ordered pairs (x, you)

SOLUTION: 3x - 2y = 5 x - y = 0 solve the following pairs of simultaneous equations using the matrix method. give answers as ordered pairs (x, you)

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Question 1131435: 3x - 2y = 5
x - y = 0
solve the following pairs of simultaneous equations using the matrix method. give answers as ordered pairs (x, you)
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
using inverse matrix:

and

is invertible and

Then you get
=*

=

=
= :

or using Cramer's rule:
∆ =

∆ [1]=

∆ [2]=

=∆ [1]/∆ =
=∆ [2]/∆ =

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