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Mathematics, 09.12.2019 07:31 tannerroland

System a
system b
- 4x + 7y=-5 [a1]
| 9x-11y=-3 [a2]
| -4x+7y=-5 [b1]
| x+3y=-13 [b2]
how do we transfer system a into system b

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You know the right answer?
System a
system b
- 4x + 7y=-5 [a1]
| 9x-11y=-3 [a2]
| -4x+7y=-5 [b1]
...

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