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Mathematics 20 Online
OpenStudy (anonymous):

evaluate 2b-15 if b=6

TheSmartOne (thesmartone):

Plug in 6 for b

TheSmartOne (thesmartone):

\(\huge\color{red}{2(6)-15=?}\)

OpenStudy (anonymous):

3

TheSmartOne (thesmartone):

there should be a - sign in front of it.

TheSmartOne (thesmartone):

\(\huge\color{blue}{12-15=-3}\)

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