SOLUTION: solve each system of equations by using cramers rule: {5x + 4y = -1 {3x - 6y = 5
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Question 1052949
:
solve each system of equations by using cramers rule:
{5x + 4y = -1
{3x - 6y = 5
Found 2 solutions by
Alan3354, ikleyn
:
Answer by
Alan3354(69443)
(
Show Source
):
You can
put this solution on YOUR website!
Step 1, find the determinant.
Do you know how to do that?
Answer by
ikleyn(52786)
(
Show Source
):
You can
put this solution on YOUR website!
.
On Cramer's rule for solving systems of 2 equations in 2 unknowns see the lessons
-
What is a matrix?
,
-
Determinant of a 2x2-matrix
,
-
HOW TO solve system of linear equations in two unknowns using determinant (Cramer's rule)
,
-
Solving systems of linear equations in two unknowns using the Cramer's rule
,
-
Solving word problems by the Cramer's rule after reducing to systems of linear equations in two unknowns
,
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
-
ALGEBRA-II - YOUR ONLINE TEXTBOOK
.
The referred lessons are the part of this online textbook under the topic
"
2x2-Matrices, determinants, Cramer's rule for systems in two unknowns
"