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Mathematics 12 Online
OpenStudy (anonymous):

Solve the equation: |3x + 15| = 6

OpenStudy (anonymous):

3x=-9 x=-3

OpenStudy (anonymous):

the only possible answers are 7 and 3. i just don't know which is negative or positive

OpenStudy (anonymous):

include*

OpenStudy (anonymous):

3x+15=+6 or -6 3x=-9 or -21 x=-3 or -7

OpenStudy (anonymous):

oh, okay. that makes sence now, thankyou

OpenStudy (anonymous):

Hey ... consider two separate cases... |dw:1365628470038:dw|

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