How do you evaluate x−(|z|+x) when x=6, z=3?

1 Answer
Jim G.
Dec 21, 2016

−3

Explanation:

First step is to evaluate the contents of the bracket and subtract the result from x.

The absolute value is always positive since it is a measure of the distance of a value from zero.

That is |−4|=|4|=4 since both - 4 and 4 are 4 units from zero.

Substitute given values into the expression.

⇒(|3|+6)=(3+6)=9← evaluation of bracket

⇒6−9=−3← evaluation of expression

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