SOLUTION: can someone please help me understand when an elimination method for solving a system of equations would be preferable over the substitution method? Thank you

Question 41491: can someone please help me understand when an elimination method for solving a system of equations would be preferable over the substitution method?
Thank you
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Here is such an example:
0.2345x + 6.25y=3.45
-0.2345x -4.72y = 7.63
This is easier to work by elimination because
the coefficients in the x-terms differ only
in their signs. So adding the equations eliminates
the x terms.
Substiutution would require much more work.
Cheers,
Stan H.

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