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Mathematics 9 Online
OpenStudy (anonymous):

Combine like terms. 7k – 13k A. –6k B. –6 C. –20k D. –20

OpenStudy (solomonzelman):

\[2d-6d==(2-6)d=-4d\]do your similarly.

OpenStudy (solomonzelman):

I meant your's

OpenStudy (anonymous):

is it -6k @SolomonZelman

OpenStudy (solomonzelman):

YUP!

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