How do you solve #-6u - 12= - 2( u - 4)#?

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Answer 1 · 2016-10-31T17:57:44

#u=-5#

#-6u-12=-2(u-4)#

Open the brackets and simplify, keeping in mind that the product of two negatives is a positive.

#-6u-12=-2u+8#

Collect similar terms on either side and simplify.

#-6u+2u=12+8#

#-4u=20#

Divide both sides by #4#.

#-u=5# or #u=-5#