How do you solve #|3x - 6| = x + 4#?

1 Answer
1s2s2p
May 9, 2018

#x=5or1/2#

Explanation:

Putting a function inside #abs()# means to take he positive value of he function, #abs(+-f(x))=+f(x)# #("all values positive")#

So, we can have:

#3x-6=x+4#
or
#-3x+6=x+4#

So:
#2x=10#, #x=5#
or
#4x=2#, #x=1/2#

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