Whats 5a - 2a + 9 ? could someone add how you got the answer to please?
2 answers:
Step 1. Simplify


is your answer:
Done! :)
Combine like terms which are 5a and 2a which=3a then you have 3a=9 so then you divide 3 on both sides and then you get 3 which is your answer so a=3
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