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Mathematics 7 Online
OpenStudy (anonymous):

What is the answer to 3x − 6y + 2z − 5x − 3y + 8z?

OpenStudy (anonymous):

Add or subtract like terms.

OpenStudy (anonymous):

I agree with what Katiebae said. How many y's and z's do you have? Pretend they are apples & oranges or something if letters are confusing you :-)

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