3 years ago

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

2 answers:

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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