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OpenStudy (anonymous):
solve for K, show your work 13k + 5 = k - 7
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OpenStudy (lgbasallote):
first... subtract k from both sides...what do you get?
OpenStudy (anonymous):
13k - 1k = 7 - 5 12k = 2
OpenStudy (lgbasallote):
carefull... it's -7 - 5... not 7- 5
OpenStudy (lgbasallote):
careful*
OpenStudy (lgbasallote):
so you have 12k = -7 - 5 what does this simplify to?
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OpenStudy (anonymous):
ohh, it inherits its sign okay.
OpenStudy (lgbasallote):
yes
OpenStudy (anonymous):
12k = -12 k = -1
OpenStudy (anonymous):
13k - k = -7 - 5 What do you get?
OpenStudy (lgbasallote):
right
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