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

what is 5.476; rounded to the narthest hundredths
chuck was chopping wood.when he was done he had 25 kg of firewood what was most likely the weight of the wood before he chopped it
COMPUTADORA Lionel está comprando una computadora que normalmente se vende por $ 890. La tasa de impuesto estatal sobre las ventas es del 6%. ¿Cuál es el cost
4z-(-3z) can you help me​
Choose the sentence that is written in active voice. a) The book will be published next year. b) Next year the book will be published. C) Pearson will publish t
i need help with number 5
prove that under root 3 is irrational​sorry it's a math, s question
Which of the following best describes the reletive location of the United States? (Page 14)
Pls help Solve for x in the diagram below.
ahdjfvjxbxnxjzjsjnsmsnsns​