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Mathematics 18 Online
OpenStudy (cav7):

Check my answers please? Will fan and medal. 3(3t + s) =135 2s-t=6 s=9 t=12

TheSmartOne (thesmartone):

mhmmm

TheSmartOne (thesmartone):

Good job, that is correct! :)

OpenStudy (cav7):

Oh thanks. I thought you said they were wrong before

TheSmartOne (thesmartone):

I accidentally messed up in the calculations, haha. But you're correct. :)

OpenStudy (astrophysics):

Systems of equations? You may using substitution as it's probably the quickest way, you can solve the second equation for either s or t and plug into the first then solve for which ever variable you choose. Then you may take the solved variable and plug into either equation 1 and 2 to find the second variable and I just wrote all this out when TSO confirmed you were correct.

TheSmartOne (thesmartone):

:)

OpenStudy (cav7):

Yeah well thanks to the both of you. Turned my quiz in (I'm on an online school) and I got a hundred, thanks :)

TheSmartOne (thesmartone):

Anytime! :)

OpenStudy (astrophysics):

quiz

OpenStudy (astrophysics):

Still, please don't ask quiz/ test questions! You should be confident with your answers during that time!

TheSmartOne (thesmartone):

^

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