V9anshiraaakrea V9anshiraaakrea

31-07-2016
Mathematics

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

4x – y = 3
7x – 9y = –2

Respuesta :

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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