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OpenStudy (anonymous):
12a-7b-(4a-21b)
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OpenStudy (anonymous):
8a+14b
OpenStudy (anonymous):
Can you show me the steps please thank you :)
OpenStudy (anonymous):
12a-7b-(4a-21b) 12a-7b-4a+21b a(12-4)+b(21-7) 8a+14b
OpenStudy (anonymous):
Thank you so much!
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