HAW11200 HAW11200

12-12-2019
Mathematics

contestada

y − x = 12
y + x = -26

Respuesta :

happyend happyend

12-12-2019

y = -7
x = -19

Steps:

Add the two equations together:
y - x + y + x = -14
2y = -14
y = -7

-7 + x = -26
x = -19

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