How do you simplify #(9x - 4) + ( - 2x - 7)#?

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Answer 1 · 2017-08-04T04:49:51

See a solution process below:

First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly:

#9x - 4 - 2x - 7#

Next, group like terms:

#9x - 2x - 4 - 7#

Now, combine like terms:

#(9 - 2)x + (-4 - 7)#

#7x + (-11)#

#7x - 11#