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Mathematics 12 Online
OpenStudy (anonymous):

Troy and Brenda have a combined age of 41 years.Troy is 2 more than twice Brenda's age. How old is each of them?

OpenStudy (mertsj):

t+b=41 t=2b+2

OpenStudy (mertsj):

Solve the system

OpenStudy (anonymous):

yea I got that part,but what do I do next divide?...multiply?

OpenStudy (mertsj):

I would replace t in the first equation with 2b+2 from the second equation.

OpenStudy (anonymous):

sooo 2b+2=41?

OpenStudy (mertsj):

Watch this:

OpenStudy (anonymous):

okay

OpenStudy (mertsj):

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OpenStudy (mertsj):

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