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OpenStudy (anonymous):

7k - 8 +2(k+12)=52

OpenStudy (anonymous):

\[7k - 8 +2(k+12)=52\]\[ \implies -60 + 7 k + 2 (12 + k)=0 \implies k=4\]

OpenStudy (anonymous):

so you get 60 by adding 8 and 52

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

but my math teacher told me to do whats in the parentheses first??

OpenStudy (anonymous):

That's not necessary, unless you are mixing parentheses and non-parentheses up up you can do pretty much what you like :)

OpenStudy (anonymous):

oh i'm doing my final review and i was confused

OpenStudy (anonymous):

thank you :)

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