sadestewart2255 sadestewart2255

27-03-2015
Mathematics

contestada

Am solving for solving systems of equations & its 5y-3x=-47 y=-3x-13

Respuesta :

Panoyin Panoyin

04-04-2015

5y - 3x = -47
y = -3x - 13

5(-3x - 13) - 3x = -47
-15x - 65 - 3x = -47
-15x - 3x - 65 = -47
-18x - 65 = -47
      + 65 + 65
   -18x = 18
      -18 -18
      x = -1
y = -3(-1) - 13
y = 3 - 13
y = -10
(x, y) = (-1, -10)

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