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Mathematics, 11.04.2021 14:00 gordon57

Can someone help me 1. 4a + 15 = a
2. 2c + c = 6
3. 2b + 3 = 11
4. 3n + 3 = 9
5. 2z + z = 6

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Answers: 3

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You know the right answer?
Can someone help me 1. 4a + 15 = a
2. 2c + c = 6
3. 2b + 3 = 11
4. 3n + 3 = 9
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