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OpenStudy (anonymous):
Help?!?!? What is the solution of the following system? Show your work. 3x + 3y = 10 -9x - 9y = -30
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OpenStudy (anonymous):
Sorry about the typo. Its supposed to look like this. 3x + 3y = 10 -9x - 9y = -30
OpenStudy (anonymous):
\[3x+3y=10\] \[-3x-3y=-10...(2)\]
OpenStudy (cwrw238):
3x + 3y = 10 -9x - 9y = -30 multiply first equation by 3 9x + 9y = 30 adding gives 0 = 0
OpenStudy (cwrw238):
yes this means infinite solutions
OpenStudy (anonymous):
Oh i see... thanks! @cwrw238
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OpenStudy (anonymous):
Are you sure thats the answer? Cause 0 = 0 doesnt look right...
OpenStudy (anonymous):
@cwrw238
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