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

Pathogens can be transmitted through contact with surfaces like doorknobs and countertops. a. True b. False
Which of the following is malleable? A. glass B. pottery C. ice D. gold
which two expressions have the same value ? A 1/8 +(7/8 +4/8) B. 1/2 +2 C. 3/7 + (1/2 + 4/7) D. 1/3 +4/3 +2/3
It can be a valid choice to not choose or implement any solution. a. True b. False
Which infant formula is typically the least expensive? a. ready-to-feed b. canned c. powdered d. concentrated
Which of the following deserts is characterized by moderately warm to cool temperatures? a. arid b. semi-arid c. coastal d. cold
what is the difference of 23× and 9×
Which of the following inventions eventually made it possible to transmit information over long distances in a short period of time? a.the telegraph b.the telep
Which country is not in the eurozone ? Sweden, Finalnd, Estonia ?
_______________ are accessories we wear, such as: jewelry, makeup, piercings, etc.; or other ways in which we alter our appearance in order to make a statement,