Posted by **Justin** on Monday, May 23, 2011 at 7:45pm.

Simply the expression.

-1 - (-3x + 2) - 7x + 8

- 7th math -
**Ms. Sue**, Monday, May 23, 2011 at 7:47pm
-1 - (-3x + 2) - 7x + 8

-1 -2 + 8 + 3x - 7x

5 - 4x

- 7th math -
**kaka**, Monday, June 27, 2011 at 8:41am
what is 2 digit number which is 9 times the sums of its digit?

- 7th math -
**mari**, Monday, August 22, 2011 at 7:31pm
Mary earns $8 per hour.Write an algebraic expression to evaluate how much money Mary will earn if she works for 15,20,25,or 30 hours.

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