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

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: {{{system(3x+y=17,4x+2y=20)}}} how do I solve by elimination? I can do substitution.      Log On


   

Question 308817: system%283x%2By=17%2C4x%2B2y=20%29
how do I solve by elimination? I can do substitution.
Answer by ichudov(507) About Me  (Show Source):
You can put this solution on YOUR website!
Solved by pluggable solver: Linear System solver (using determinant)
Solve:
+system%28+%0D%0A++++3%5Cx+%2B+1%5Cy+=+17%2C%0D%0A++++4%5Cx+%2B+2%5Cy+=+20+%29%0D%0A++

Any system of equations:


has solution

or



(x=7, y=-4}