tierneytribett tierneytribett
  • 14-06-2017
  • Mathematics
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Solve the following system of equations by using the substitution method. x = 4 - 2y 4x + 8y = 16

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Allsha
Allsha Allsha
  • 15-06-2017

x = 4 - 2y


4x + 8y = 16

4(4-2y) + 8y = 16

16 - 8y + 8y = 16

8y - 8y = 16 - 16

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