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Zepler [3.9K]
3 years ago
10

Help please its hard​

Mathematics
1 answer:
Gwar [14]3 years ago
5 0

Answer:

11

Step-by-step explanation:

Rewrite expression using given information:

20 - 3a + 2b = 20 - 3*7 + 2*6

20 - 21 + 12 = 11

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