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Popular >

simplify (a+11)-(a+21)

Solution

simplify

(a + 11) - (a + 21)

Solution

- 10

Solution steps

(a + 11) - (a + 21)

Apply rule:

(a) = a

(a + 11) = a + 11

= a + 11 - (a + 21)

Apply the distributive law:

- (a + b) = - a - b

- (a + 21) = - a - 21

= a + 11 - a - 21

Group like terms

= a - a + 11 - 21

Add similar elements:

a - a = 0

= 11 - 21

11 - 21 = - 10

= - 10

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Frequently Asked Questions (FAQ)

What is (a+11)-(a+21) ?
The solution to (a+11)-(a+21) is -10