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24-07-2019
Mathematics

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(4 - 7n) – (20+5)
Simplify expression

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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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