How do you simplify #-10+ 4k - 10+ 4k#?

1 Answer
Cameron G.
Sep 27, 2017

#8k - 20#

Explanation:

When simplifying, you want to collect like terms and then add or subtract.

Collecting like terms, we rearrange the expression to get
#4k + 4k - 10 - 10#

Then we simply add: #4k + 4k = 8k#
and subtract: #-10-10 = -20#
to simplify these two parts, then put them together to get
#8k - 20#

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