SOLUTION: {{{system(3x+y=17,4x+2y=20)}}} how do I solve by elimination? I can do substitution.

SOLUTION: {{{system(3x+y=17,4x+2y=20)}}} how do I solve by elimination? I can do substitution.

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Question 308817:
how do I solve by elimination? I can do substitution.
Answer by ichudov(507) (Show Source): You can put this solution on YOUR website!

Solved by pluggable solver: Linear System solver (using determinant)

Solve:

Any system of equations:

has solution

or

(x=7, y=-4}

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