Wildhorses Wildhorses
  • 15-01-2017
  • Mathematics
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Solve the system of equations by substitution
2x+y=10
Y=5x-11

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doodle10 doodle10
  • 15-01-2017
Answer x = 3 and y = 4

2x + 5x - 11 = 10
7x - 11 = 10
7x = 21
X = 3

So y = 4

Because 2 x 3 + y = 10
6 + y = 10
Y = 4
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