Problem

Write the phrase as a mathematical expression. Use x to represent the number. Combine like...

Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms when possible. See Example 1.

Write the expression 9x – (x + 2) using words, as in Exercises 1–6.

Exercise 1

Five times a number, added to the sum of the number and three

Exercise 2

Six times a number, added to the sum of the number and six

Exercise 3

A number multiplied by -7, subtracted from the sum of 13 and six times the number

Exercise 4

A number multiplied by 5, subtracted from the sum of 14 and eight times the number

Exercise 5

Six times a number added to -4, subtracted from twice the sum of three times the number and 4

Exercise 6

Nine times a number added to 6, subtracted from triple the sum of 12 and 8 times the number

EXAMPLE 1 Translating Words into a Mathematical Expression

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Solutions For Problems in Chapter 1.8

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