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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