thefloatingballon thefloatingballon
  • 04-11-2020
  • Mathematics
contestada

Solve the system of equations by substitution:
y= x - 2
x+y=12

A. (7,5)
B. (5,3)
C. (0, 1)
D. (14, 12)

Respuesta :

shaiktext
shaiktext shaiktext
  • 04-11-2020

Answer:

y=x-2

so ...

x+(x-2)=12

2x-2=12

2x=12+2

2x=14

x=14/2

x=7

x+y=12

7+y=12

y=12-7

y=5

Answer Link

Otras preguntas

For a country to have a comparative advantage in a good, it must have:
a dwarf sea horse swims at a rate of 54.68 feet per hour. convert this speed to inches per minute. the speed is ____ inches per minute.
Help please !!! I don't no if I'm correct
Apply: a 4-year-old becomes frightened of the dark and refuses to go to sleep at night. how would a psychoanalyst and a behaviorist differ in their views of how
For a country to have a comparative advantage in a good, it must have:
Cheryl loves to lay in the sun and tan. the pleasant feeling she experienced was due to increased ________ levels but she greatly increased her chance for devel
Patrick starts hiking at an elevation of -418 feet.he ascends to an elevation of 387 and descends of an elevation of 94 feet higher than where he began.he desce
What aspects of camp bow wow's corporate culture are visible and conscious?
Phrases such as probably, usually, often, soon, and right away can contribute to the communication barrier known as ________.
Aaron is preparing the balance sheet for his company. copyrights and goodwill are the only two assets classified as intangible assets, and each has a full value