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OpenStudy (anonymous):
Simplify the expression. 9a – b – 2a – 10b –7a + 11b 11a + 9b –11a – 9b 7a – 11b
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OpenStudy (anonymous):
7a-11b, just combining like terms
OpenStudy (anonymous):
7a-11b. When you have 2of the same terms, you combine them!
OpenStudy (blockingthesky):
9a and -2a simplify to 7a, and -b and -10b simplify to -11b. So, 7a-11b
OpenStudy (anonymous):
Yupp! :) You've got it..
OpenStudy (anonymous):
7a-11b combine like terms
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OpenStudy (anonymous):
7a-11b
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