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Mathematics 8 Online
OpenStudy (anonymous):

Simplify the expression. (8 + 7a) + 4 A. 12 + 11a B. 19a C. 8 + 11a D. 12 + 7a

OpenStudy (noseboy908):

first combine like terms.

OpenStudy (anonymous):

whats the answer??

OpenStudy (anonymous):

i need help!!!!!!

OpenStudy (noseboy908):

like terms in this equation would be 8 % 4, because we don't know what "a" is, so it could be anything.

OpenStudy (anonymous):

this doesnt help

OpenStudy (anonymous):

i say A

OpenStudy (anonymous):

i mean B

OpenStudy (noseboy908):

*8&4

OpenStudy (noseboy908):

8+4=?

OpenStudy (anonymous):

=12

OpenStudy (anonymous):

so its D??

OpenStudy (noseboy908):

why do you think so?

OpenStudy (anonymous):

cuz 8 +4=12 so 12+7a...right?

OpenStudy (noseboy908):

correct.

OpenStudy (anonymous):

ohhhh now I got it ^_^ thank u!!!

OpenStudy (noseboy908):

welcome! Hit best answer! it helps!

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