How do you evaluate #-20= - 6n - 4n#?

Question

404 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-12-15T15:19:24

#n = 2#

First, combine like terms:

#-20 = (-6 - 4)n#

#-20 = -10n#

Now solve for #n# while keeping the equation balanced:

#(-20)/(-10) = (-10n)/(-10)#

#2 = (cancel(-10)n)/(cancel(-10))#

#n = 2#