brnathy88 brnathy88

04-05-2021
Mathematics

contestada

The sum of two numbers is 2. Their difference is -16. What is the first number?

Respuesta :

clarch19 clarch19

04-05-2021

Answer:

x = -7

y = 9

Step-by-step explanation:

x + y = 2

x - y = -16

substitute '2-x' for 'y'

x - (2-x) = -16

x - 2 + x = -16

2x - 2 = -16

2x = -14

x = -7

-7 + y = 2

y = 9

Answer Link

Otras preguntas

The study of economics involves looking at limited wants and unlimited resources. unlimited wants and unlimited resources. limited wants and limited resources.

Change the fraction 93/1,000 to a decimal. A. 0.0093 B. 0.93 C. 0.00093 D. 0.093

27 is what percent of 18.75?

as agriculture became entrenched in the south

Which best describes division of labor? A. splitting a big task into smaller tasks; each worker does all the tasks B. splitting a big task into smaller

as agriculture became entrenched in the south

Mexican-Americans and African-Americans joined the war effort due to the threat of (A) segregation (B) fascism (C) mobilization (D) internment

what molecule is known as the universal energy source of the cell

What effect does the simple, sing-songy meter have in "The Battle of Blenheim"? A. It inspires readers to recall important battles from history. B. It echoes th

A drama in which the characters and setting are presented in typical and real-world ways is known as A drama in which the characters and setting are presented i