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Lelu [443]
3 years ago
13

Please help I’ll give 20 points

Mathematics
1 answer:
vovangra [49]3 years ago
7 0

Using the equation P=a+b+c , you just need to plug in.

4a-2b + 7a-3 + 9a - 4

Combine like terms.

20a-2b-7

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