V9anshiraaakrea
V9anshiraaakrea V9anshiraaakrea
  • 31-07-2016
  • Mathematics
contestada

Use the substitution method to solve the following system of equations.

4x – y = 3
7x – 9y = –2

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Kunchan
Kunchan Kunchan
  • 31-07-2016
(4x - y = 3) * 9
36x - 9y = 27

7x - 9y = -2

29x = 29
x = 1

y = 4*1 - 3
y = 1
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