macyjohnson711 macyjohnson711
  • 22-02-2015
  • Mathematics
Answered

Solve this system by elimination.
3x+4y=5
-5x-4y=-11

Answer :

JacquelineB
JacquelineB JacquelineB
  • 22-02-2015
hope that helps------------------

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Panoyin
Panoyin Panoyin
  • 22-02-2015
 3x + 4y = 5
-5x - 4y = -11
       -2x = -6
       -2x = -6
        -2     -2
          x = 3
3(3) + 4y = 5
    9 + 4y = 5
   -9          -9
         4y = -4
         4y = -4
          4      4
           y = -1
     (x, y) = (3, -1)
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