What is n if #-55 - 4n =13#?

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Answer 1 · 2018-04-24T05:27:23

#n = -12#

#-55 - 4n = 13#

First, add #55# to both sides of the equation:

#-55 - 4n quadcolor(red)(+quad55) = 13 quadcolor(red)(+quad55)#

#-4n = 48#

Divide both sides by #-4#:
#(-4n)/color(red)(-4) = 48/color(red)(-4)#

#n = -12#

Hope this helps!