SOLUTION: Hi, Solve the sysytem of equations. 7X-2Y=3 3X+5Y=13 thank you!

Algebra ->  Systems-of-equations -> SOLUTION: Hi, Solve the sysytem of equations. 7X-2Y=3 3X+5Y=13 thank you!      Log On


   

Question 148257: Hi,
Solve the sysytem of equations.
7X-2Y=3
3X+5Y=13
thank you!
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
7X-2Y=3
3X+5Y=13
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7X-2Y-3=0
3X+5Y-13=0
Using determinants:
7 -2 -3
3 5 -13
x = 1
y = 2
It checks.
There are other ways to do it, but you can use Excel to do this with determinants.