valeriafz valeriafz
  • 16-09-2019
  • Mathematics
contestada

The sum of two numbers is 12. The difference of the same two numbers is -4. Find the numbers

Respuesta :

surjithayer10otahza surjithayer10otahza
  • 16-09-2019

Answer:

4,8

Step-by-step explanation:

let the numbers be x and y

x+y=12

x-y=-4

add

2x=12-4=8

x=8/2=4

4+y=12

y=12-4=8

so numbers are 4 and 8

Answer Link

Otras preguntas

1 \frac{1}{6}y-8=6[/tex]    please explain how to do this
There were 75 pebbles in boxes a, b and c. After moving 28 pebbles from a to b, 24 pebbles from b to c, and 19 pebbles from c to a, there was an equal number of
what two sides emerged in response to the Declaration of independence? what did each Side favor?
A paroxysm of laughter escaped a few. If the ratio of the laughers to the stolid was 2 to 17,and 7600 were in the throng, how many did not laugh
2) A product originally costs $125. If the product goes on sale for 20% off, and then goes on sale for an additional 30% off, what is the price of the product?
40% of a number equals the difference between the number and 10
There are white, red and blue cars in a parking lot. The number of each colour car is a factor of 36. There are twice as many white cars as red cars. The number
Is speed or velocity more helpful to a pilot?
which organelle do you think is the most important organelle for an animal cell? why or why not?
what percent of 240 is 180?