figueroadaisy1ovge0k
figueroadaisy1ovge0k figueroadaisy1ovge0k
  • 01-06-2020
  • Mathematics
contestada

Find two numbers a and b whose sum a+b is −3, and whose difference a−b is −7.Your answer is

Respuesta :

learntobreakurmind learntobreakurmind
  • 01-06-2020

Answer:

a = -5

b = 2

Step-by-step explanation:

a+b=-3

a-b= -7              +

2a  = -10

a = -10/2

a = -5

a + b = -3

-5 + b = -3

b = -3 + 5

b = 2

Answer Link

Otras preguntas

One half of the birds at a pet store are yellow. Tara buys one of the yellow birds. Then one third of the birds at the store are yellow how many yellow birds w
A primary reason for Japan’s involvement in the Sino-Japanese War and the Russo-Japanese War was to... 1)acquire natural resources in Manchuria and Ko
levels of _ in the atmosphere can be reduced by increasing the use of nuclear power and by planting trees in urban areas
Alcohol has to be digested by the stomach and intestines before the full effects are felt
which present-day countries were controlled by portuguese
What type of rock can melt under the right conditions?
Ceviche is a popular dish in Mexico. a. True b. False
Who has the authority to try impeachment cases
Weather differs from climate in that weather can change on a daily basis and is not considered a description of year-to-year conditions of temperature and preci
What affects the direction of the current moving through a wire? Check all that apply ....the direction the wire moves in ....the thickness of the wire ..the di