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Mathematics 20 Online
OpenStudy (anonymous):

what is 3x-6=12

OpenStudy (anonymous):

Add 6 to both sides then divide by 3.

OpenStudy (anonymous):

3x=12+6 3x=18 x=18/6 x=3

OpenStudy (id21):

\[3x=18; x=6\]

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

3x+7=-5

OpenStudy (id21):

\[3x+7=-5\] \[3x=-5-7\] \[3x=-12\] \[x=-4\]

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