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OpenStudy (s117):
Combine like terms. 9 + 3x – 9x + 16 A. 19x B. 18x + 3x + 16 C. 3x + 16 D. 25 – 6x
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OpenStudy (anonymous):
3x - 9x 9 + 16 Like terms have the same variables.
OpenStudy (anonymous):
3x - 9x is the same thing as 3 - 9, but we put an 'x' next to it.
OpenStudy (anonymous):
So what do you get? @S117
OpenStudy (s117):
6x 25
OpenStudy (anonymous):
25 is correct..but check again with 6x
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OpenStudy (s117):
-6x
OpenStudy (anonymous):
Yep, so we have: 25 - 6x
OpenStudy (s117):
19x
OpenStudy (s117):
wich would be d
OpenStudy (anonymous):
Yes.. D is correct. But we can't subtract 25 - 6x, because they are not like terms.
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OpenStudy (s117):
ok
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