How do you combine like terms in #2r - 6r + 7+ r#?

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Answer 1 · 2017-01-27T23:25:58

See the entire solution process below:

First, we need to rewrite the expression to group like terms:

#2r - 6r + 7 + r ->#

#2r - 6r + r + 7#

Now, combine like terms and simplify:

#2r - 6r + 1r + 7 ->#

#(2 - 6 + 1)r + 7 ->#

#-3r + 7#