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Mathematics 7 Online
OpenStudy (anonymous):

Simplify the following expression. a + c − 4b − c + a − b

OpenStudy (anonymous):

What about this? (a+a)+(-4b-b)+(c-c) How do we continue now?

OpenStudy (anonymous):

2 a-5 b

OpenStudy (anonymous):

Excellent! You got it! :)

OpenStudy (anonymous):

(:

OpenStudy (anonymous):

Thank you! :)

OpenStudy (anonymous):

how about that one -> Evaluate: 2(6 − 3) − 1 • 6

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