SOLUTION: could system of equations be solved by elimanating with addition or subtraction

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Question 270401: could system of equations be solved by elimanating with addition or subtraction
Answer by persian52(161) About Me  (Show Source):
You can put this solution on YOUR website!
A system of linear equations can be solved four different ways:

Substitution
Gaussian Elimination
Matrices
Graphing
Of course, either way you still get the same answer!