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  • 24-07-2019
  • Mathematics
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(4 - 7n) – (20+5)
Simplify expression

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musiclover10045
musiclover10045 musiclover10045
  • 24-07-2019

(4 - 7n) – (20+5)

Simplify:

(4 -7n) - 25

Remove parenthesis:

4 - 7n -25

Combine like terms:

4-25 = -21

Now you have:  -21-7n

The term with the variable is usually rearranged to be in front, so it becomes:  -7n-21

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