en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

Translate the phrase into algebraic symbols. The sum of seven times a number and twenty-seven is forty.

Solution

Translate the phrase into algebraic symbols. The sum of seven times a number and twenty-seven is forty.

Solution

The number : 1 \frac{6}{7}

Solution steps

Represent the number with

x

A.T.Q.:

7 x + 27 = 40

Solve for

x, 7 x + 27 = 40 : x = \frac{13}{7}

Convert improper fractions to mixed numbers:

\frac{13}{7} = 1 \frac{6}{7}

The number : 1 \frac{6}{7}

Popular Examples

Kira went for a drive in her new car. She drove for 37.5 miles at a speed of 28 mph. For how many hours did she drive?find the radius of a sphere having a volume of 84 in^3 Kira went for a drive in her new car. She drove for 142.5 miles at a speed of 100 mph. For how many hours did she drive?Alvin is 9 years older than Elga. The sum of their ages is 75. What is Elga's age?Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 234. How old is Emma?