jayy1717 jayy1717

11-06-2019
Mathematics

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what is the solution to this system of equations? 3x+7y=31 and -3x-2y=-1?

Respuesta :

dvclee2 dvclee2

11-06-2019

Answer:

3x + 7y = 31

-3x - 2y = -1

____________________

5y = 30

y = 6

____________________

3x + 42 = 31

3x = -11

x = - 11/3

____________________

x = -11/3; y = 6

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