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Mathematics 13 Online
OpenStudy (anonymous):

-7 < x + 2 < 4. i forgot the steps...

OpenStudy (raffle_snaffle):

Add -2 on both sides as well as the middle.

OpenStudy (raffle_snaffle):

or you could split it up into two equations and solve for x

OpenStudy (raffle_snaffle):

|dw:1385051711006:dw|

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