How do you solve #84 = 6(x+6) # ?

1 Answer
Alan P.
Sep 20, 2016

#x=8#

Explanation:

#6(x+6) = 6x+6xx6 = 6x+36#

So #84 = 6(x+6)#
is equivalent to
#color(white)("XXX")84 =6x+36#

Subtracting #36# from both sides
#color(white)("XXX")48 = 6x#

Then dividing both sides by #6#
#color(white)("XXX")8 = x#

...or in a more common order:
#color(white)("XXX")x=8#

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