How do you combine like terms in (5x - 1) - ( - 9x - 5)(5x−1)−(−9x−5)?

1 Answer
smendyka
Jul 16, 2017

See a solution process below:

Explanation:

First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly (remember, minus a minus is a plus):

5x - 1 + 9x + 55x−1+9x+5

Next, group like terms:

5x + 9x - 1 + 55x+9x−1+5

Now, combine like terms:

(5 + 9)x + (-1 + 5)(5+9)x+(−1+5)

14x + 414x+4

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