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Harman [31]
2 years ago
12

Simplify by combining like terms.1. -5a - 4a + b​

Mathematics
1 answer:
Bess [88]2 years ago
3 0
-9a+b final answer to it
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Step-by-step explanation:

I believe that s/he switched the signs around so

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Step-by-step explanation:

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