OpenStudy (theedwardsfamily):

PLZ help!!!!!!!!!!!!!!!! Combine like terms. 9 + 3x – 9x + 16 A. 25 – 6x B. 19x C. 18x + 3x + 16 D. 3x + 16 I think its d.

2 years ago
OpenStudy (igreen):

These are the like terms: 3x - 9x 9 + 16 Combine them.

2 years ago
OpenStudy (igreen):

And D is incorrect.

2 years ago
OpenStudy (igreen):

Do you know how to subtract 3x - 9x? It's just like subtracting 3 - 9, but we put an 'x' next to it.

2 years ago
OpenStudy (theedwardsfamily):

3-9 is -6

2 years ago
OpenStudy (igreen):

Yes, so 3x - 9x is -6x

2 years ago
OpenStudy (igreen):

And what's 9 + 6?

2 years ago
OpenStudy (igreen):

*16

2 years ago
OpenStudy (theedwardsfamily):

15

2 years ago
OpenStudy (igreen):

Sorry it's 9 + 16

2 years ago
OpenStudy (theedwardsfamily):

oh. 25

2 years ago
OpenStudy (theedwardsfamily):

@iGreen

2 years ago
OpenStudy (theedwardsfamily):

r u therre?

2 years ago
OpenStudy (theedwardsfamily):

hello???

2 years ago
OpenStudy (igreen):

Yes, so we have: 25 - 6x

2 years ago
OpenStudy (theedwardsfamily):

ok. thnx

2 years ago