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Mathematics 21 Online
OpenStudy (anonymous):

11x+12=8x-9

OpenStudy (anonymous):

11x-8x = -12 - 9

OpenStudy (anonymous):

I think you understood...

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so whats the answer'

OpenStudy (anonymous):

3x = -21 so x=-21,3 = -7 !!!

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