How do you combine like terms in #8x - 9+ x + 8#?

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Answer 1 · 2017-04-11T21:56:15

See the entire solution process below:

First, group like terms:

#8x + x - 9 + 8#

Now group like terms:

#8x + 1x - 9 + 8#

#(8 + 1)x + (-9 + 8)#

#9x + (-1)#

#9x - 1#