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OpenStudy (thecatman):
Simplify the following expression. 2a + 3 - 9b - a - 7 3 a + 9b + 10 3 a - 9b - 4 a - 9b - 4 a + 9b + 10
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OpenStudy (mathmale):
The first order of the day is to combine like terms. 2a and -a are "like terms." Can you combine them?
OpenStudy (thecatman):
so 2
OpenStudy (mathmale):
2a -1a ---- ? Hint: the correct result is not 2.
OpenStudy (thecatman):
some one was trying to hack my account just now because my screen went nuts
OpenStudy (thecatman):
i think the second choice
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