rachel597s rachel597s

27-10-2016
Mathematics

contestada

Solve the following system of equations for x and y.
−7x + 3y = 22
−3x - 4y = −4

Respuesta :

27-10-2016

* -21x + 9y = 66
21x + 28y = 28
37y= 94
y= 94/37
* -3x - 4y = -4
-3x - 4(94/37)= -4
-3x = -4 + (4*(94/37))

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