# Subtract -5 from the quotient of -90 and 9 ?

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Feb 5, 2018

$- 5$

#### Explanation:

There are two key phrases: 'Subtract from' and 'quotient,'

A quotient is the answer to a division.

$- 90 \div 9 = - 10$

$- 5$ has to be subtracted FROM the quotient, so the quotient has to be written first.

$- 10 - \left(- 5\right) \text{ } \leftarrow$ the number to be subtracted is a negative.

$= - 10 + 5 \text{ } \leftarrow$ subtracting a negative is the same as adding

$= - 5$

This process can be written as one expression with two terms:

$- 90 \div 9 - \left(- 5\right)$

$= - 10 + 5$

$= - 5$

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SCooke Share
Feb 5, 2018

$- 5$

#### Explanation:

Set up the expression:

The quotient is the division:
$- \frac{90}{9} = - 10$

Subtraction is the difference (note the negative number):
$- 10 - \left(- 5\right) = - 10 + 5 = - 5$

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