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Final Answer: [tex]3w[/tex]
Steps/Reasons/Explanation:
It is common addition and subtraction because they all have w after the number. This means they are the same variable. A plus minus (+-) would be a minus (-).
Question: Simplify the expression: [tex]-9w +- 6w + 10w + 8w[/tex].
Step 1: Simplify.
[tex]-9w - 6w + 10w + 8w[/tex]
Step 2: Simplify.
[tex]3w[/tex]
~I hope I helped you :)~