Expressions with and without Parentheses

Question 1

Question 1

Revolt · Accepted Answer

Replace “a number” with the variable, n.; The two operations are multiplication and addition.; The constants are 6 and 9.; The expression is written as 6(9 + n).

Question 2

Second, 8 in for the variable, a.

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substitute

Question 3

The expression is written as .

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2(n – 7)

Question 4

Third, by using .

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order of operations

Question 5

The answer is .

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14

Question 6

The word “twice” means .

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multiplication by 2

Question 7

Question 7

Revolt · Accepted Answer

The expression is written as 6(n3 + 2).; Evaluate by substituting 3 in for the variable.; Simplify by using order of operations.; The value of the expression is 174.

Question 8

First, write the expression .

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2a + 5 - 7

Question 9

Third, by using .

Revolt · Accepted Answer

simplify

Expressions with and without Parentheses Answers

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