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Mathematics 18 Online
OpenStudy (anonymous):

5/7(k+5)=-7

hartnn (hartnn):

multiply 7 on both sides, what u get ?

OpenStudy (anonymous):

5/7k + 25/7 = -7 using the distributive property

OpenStudy (anonymous):

-25/7 5/7k = -74/7 k = -74/5 the 7's cancel

OpenStudy (anonymous):

wait wat u mean the 7 cancels

OpenStudy (anonymous):

cause your multiplying so they can just cancel out

OpenStudy (anonymous):

ahhhhh this is killn my brain!

OpenStudy (anonymous):

just think about it, its not that hard

OpenStudy (anonymous):

5/7k + 25/7 = -7 -25/7 5/7k = -74/7 do (-74/7)*(7/5) = the 7's cancel so its -74/5 or -14.8

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