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Lelu [443]
3 years ago
9

Change to standard form. Please help, ty! Will mark brainliest!

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Step-by-step explanation:

6. 7x + 7y = -11

7. -1x + 8y = 12

8. 9x + 11y = -7

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