sydnneeyyyyy sydnneeyyyyy

22-02-2017
Mathematics

contestada

Use elimination to solve the system of equations. Enter your answer as an ordered pair; example: (10, -25)

2x - 5y = -5
-2x + 8y = -58

Respuesta :

texaschic101 texaschic101

27-02-2017

2x - 5y = -5
-2x + 8y = -58
-------------------add
3y = - 63
y = -63/3
y = - 21

2x - 5y = -5
2x - 5(-21) = -5
2x + 105 = -5
2x = -5 - 105
2x = -110
x = -110/2
x = - 55

solution is (-21, -55)

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