akybrown akybrown
  • 23-08-2017
  • Mathematics
contestada

Solve the following system equations.

9x+6y= -3
5x+6y=9

x=
y=

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choixongdong
choixongdong choixongdong
  • 23-08-2017
9x + 6y = -3
5x + 6y = 9
----------------subtract
4x = -12
  x = -3

9x + 6y = -3
9(-3) + 6y = -3
-27 + 6y = -3
         6y = 24
           y = 4

answer
x = -3 and y = 4
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