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Dvinal [7]
3 years ago
10

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

Mathematics
2 answers:
LenKa [72]3 years ago
6 0

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

slava [35]3 years ago
4 0

3k = -12 => k = -4

I Hope this helps...


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