# Algebra

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Solve using the multiplication principle. Don't forget to check.
-z=35.
The solution is z=

• Algebra -

Multply both sides of the equation by
-1 to get an equation for z.

• Algebra -

So then I would set the problem up like this: -1*-z=35*-1. z=-35.
Is this correct?

• Algebra -

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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