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10-10-2018
Mathematics

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what is the solution of 7k+2=4k-10?
Use one of the reasons from the box to justify each step.
You may use a reason more than once.

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10-10-2018

k=-4

7k+2=4K-10

+10 +10

7k+12=4K

-7k -7k

12=-3k

Divide both sides by -3

K=-4

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