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September 17, 2014

September 17, 2014

Posted by **Mike** on Wednesday, December 9, 2009 at 11:02pm.

-7x > 1/15

- algebra -
**B**, Wednesday, December 9, 2009 at 11:11pmSolve: -4x < .8

Solution: Using the Multiplication Principle, multiply both

sides of the inequality by -.25. Then reverse the

signs.

-.25(-4x) > -.25(.8)

x > -.2

- algebra -
**Mike**, Wednesday, December 9, 2009 at 11:20pmWow you lost me. So how would that work with a fraction, do you still do it by -.25?

- algebra -
**john**, Wednesday, December 9, 2009 at 11:37pmIf 3X - 1 = 11, what is the value of X^2 + X?

- Mike's Question -
**Reiny**, Wednesday, December 9, 2009 at 11:48pm-7x > 1/15

divide both sides by -7, remembering to reverse the inequality sign

x < -1/105

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