dawood2042
26.08.2019 •
Mathematics
Solve the following system of equations. show your work to receive full credit.
x - y = 10
2x + y = 2
part 2:
explain which method you chose to solve the system and why you felt it was the best choice.
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Ответ:
2x + y = 2 . . . (2)
(1) + (2) => 3x = 12
x = 12/3 = 4
From (1), 4 - y = 10
y = 4 - 10 = -6
x = 4, y = -6
I used elimination method.
Ответ:
a
Step-by-step explanation: