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Mathematics 7 Online
OpenStudy (dakid88):

A student simplifies (6b + 4r) – (2b + r) and says that the result is 4b + 5r. Explain the error and describe the correct steps to simplify the expression.

OpenStudy (firekat97):

have you tried simplifying the equation by opening up the brackets?

OpenStudy (dakid88):

yes

OpenStudy (firekat97):

okay so what did you get? Can you show me your working?

OpenStudy (dakid88):

i got 25.5

OpenStudy (firekat97):

wait can I see your working please?

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