SOLUTION: Using matrix method solve the following simultaneous equations 4x + 2y = 2 5x + 7y = -2

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Question 1154952: Using matrix method solve the following simultaneous equations

4x + 2y = 2
5x + 7y = -2
Found 2 solutions by greenestamps, josgarithmetic:
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


What is "matrix method"?

Kramer's Rule?

Gauss-Jordan elimination?

Something else?

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Exactly what do you mean by "Matrix Method"?
4  2  2
4  7  -2

20   10   10
20   28   -8

20   10   10
 0   18   -18


10   5   5
 0   9  -9

2   1   1
0   1  -1


2   0   2
0   1  -1


1   0   1
0   1  -1

x=1, y=-1

Did you want some use of an inverse matrix?