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May 6, 2016
Posted by **katrina** on Sunday, February 13, 2011 at 6:11pm.

- precalculas -
**bobpursley**, Sunday, February 13, 2011 at 6:30pmI assume you mean the inverse.

y=2-9x

2-y=9x

leads to

inverse=2/9-x/9

so inverse(6)=2/9-4/9=-2/9 check that.