Posted by **B.B.** on Monday, February 22, 2010 at 9:28am.

Could someone please help me with this problem?

Solve using the multiplication principle. Don't forget to check.

-z=35.

The solution is z=

- Algebra -
**drwls**, Monday, February 22, 2010 at 9:29am
Multply both sides of the equation by

-1 to get an equation for z.

- Algebra -
**B.B.**, Monday, February 22, 2010 at 9:34am
So then I would set the problem up like this: -1*-z=35*-1. z=-35.

Is this correct?

- Algebra -
**drwls**, Monday, February 22, 2010 at 9:36am
Yes, if they insist on your showing the (-1)* step. Usually that kind of thing is omitted when solving equations. It is rather obvious what is going on.

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