Mathematics, 05.01.2021 21:10 nommies005

Solve:

2a - b + c = 0
a - b = -9
2a + b = 0

Solve:
2a - b + c = 0
a - b = -9
2a + b = 0

Answers: 2

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Solve:

2a - b + c = 0
a - b = -9
2a + b = 0
...