LUCERO14M
LUCERO14M LUCERO14M
  • 08-09-2018
  • Mathematics
contestada

What is the solution of 7k+2=4k-10?

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shadowblade9753
shadowblade9753 shadowblade9753
  • 08-09-2018

3k = -12 => k = -4

I Hope this helps...


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gmany
gmany gmany
  • 08-09-2018

[tex]7k+2=4k-10\ \ \ |-2\\\\7k=4k-12\ \ \ \ |-4k\\\\3k=-12\ \ \ \ |:3\\\\k=-4\\\\check:\\L=7(-4)+2=-28+2=-26\\R=4(-4)-10=-16-10=-26\\L=R[/tex]

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