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

In “Goodbye to All That,” Joan Didion describes her first night in New York when she was fascinated by the summer rain but fighting a fever in an over-air-condi

Identify the main components of the nervous system and explain its three main functions. Answer: The nervous system is comprised of neurons, or nerve cells. The

Which statements are true regarding the regular dodecagon? Check all that apply. The smallest angle of rotational symmetry for the dodecagon is 30°. The dodecag

what city was home to the first school for blacks in georgia

Which best describes a difference between a retelling and summarizing? A retelling gives a short restatement of the text’s central idea, while a summary gives

What is one of the results of the First Gulf War? A. Kuwait became an independent nation again. B. Kuwait became part of Iraq. C. Saddam Hussein was removed

solve the inequality (pt. 3)

As part of its policy of "containment" during the Cold War, the United States hoped to keep communist influence in Korea...... A. South of the Yalu River B. Sou

How does the imperialistic attitude fit the meaning of the proverb, "Speak softly and carry a big stick"?

Why are you genetically distinct