03babyj 03babyj

04-02-2019
Mathematics

contestada

the sum of two numbers is 12 and their difference is 18 what are the two numbers

Respuesta :

pokemonsnowgurl pokemonsnowgurl

04-02-2019

Answer:

Step-by-step explanation:

x+y=12

x-y=18

Now eliminate the y by adding the two equations together to get

2x=30

x=15

then solve for y.

15+y=12

15-y=18

y= -3

Answer Link

Otras preguntas

Write a review of the first part of American Born Chinese that explains your opinion on the effectiveness of two different plot elements. Cite specific evidence

what plans had hester and arthur made to leave town? who is the unexpected passenger about whom hester learned?

-7-5w-7w=5-9w HELP!!

a photograph of a deer in the middle of a dirt road that consists of two tire tracks, the deers body is in the center of the image and aligns where the ground m

The fact that a trait such as height in humans varies over a wide range of values is due to.

true or false: all nfps are accountable to the state government that grants them their legal existence; the federal government, which grants them tax-exempt sta

When Jack says, "I'm not going to play any longer. Not with you" (Golding 127), what does that reveal about him? Choose the best answer. OIt reveals Jack is sti

PLS HELP!! Medieval renaissance Unit test

a flat loop of wire consisting of a single turn of cross-sectional area 7.50 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from

a reflex that leads to secretion of saliva is a(n) reflex. a reflex that leads to secretion of saliva is a(n) reflex. acquired visceral somatic stretc