brnathy88
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 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

How did the Civil War influence the role of government in the United States? It showed that the national government was weak and ineffective. It illustrated how
for how long can muscles rely soley on lactic acid fermentation to generate ATP
What was the significance of the Marbury v. Madison case that was argued before the Supreme Court in 1803? A)This was the first time that the Supreme Court had
For a certain game, the probability of choosing a card with the number 13 is 0.008. What is the probability of not choosing card 13?
How can I find 30% of 2140?
Which of the following statements is true about the Emily Dickinson poem 'Because I Could Not Stop For Death?' A. It portrays death as something not to be
What does the nucleus of one atom want to do to the electrons of a nearby atom?
is a cell phone measured in grams or kilograms
Which relations are functions and which are not functions? Column A Column B 1. {(3, 2), (6, 4), (9, 6), (12, 8)} 2. {(2, 3), (2, 5), (3, 6), (9, 4)} 3. {(
42 divided by 6 in repeated subtraction