What is 4n+12=4?

Question

I don't know what n is and how to solve this. please help.

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Answer 1 · 2018-01-26T01:28:59

#n=-2#

Isolate #n# by subtracting 12 from both sides, then dividing by 4:

#4n+12=4#

#4ncancel(+12color(red)(-12))=4color(red)(-12)#

#4n=-8#

#4ncolor(red)(/4) = -8color(red)(/4)#

#n = -2#