hridhayotham200 hridhayotham200

03-04-2018
Mathematics

contestada

Find two numbers, if …
Their sum is 3 and their difference is 21
PLZ

Respuesta :

Аноним Аноним

03-04-2018

x+y=3
x-y=21

x=3-y

3-y-y=21
-2y+3=21
-2y=18
y=-9

x = 3-(-9) = 12

Two numbers are 12 and -9.

Hope this helps.

Answer Link

Otras preguntas

Personal firewalls can close open logical ports and make your computer invisible to other computers on the Internet. True False

difference between primitive society and modern society

What is the name of the strategy that combines two plant proteins (grains and beans) to get all the essential amino acids

How did congressional neutrality towards slavery in the federal territories actually stir up sectional strife

Toluene crosses pure lipid bilayers many hundreds of times faster than a related compound, phenylalanine. Suggest two different properties of these molecules th

What is the correct sequence of events for the life cycle of the pork tapeworm, T. solium? Arrange the following statements in chronological order

In AABC, point D is the centroid, and AD= 12. Find AG

Represent pictorially: 3x2/6 = 6/6 or = 1

Lot’s Wife Manufacturing produces rear-view video systems for buses. The firm’s cost function is TC = 2,000 + 120 Q. If the systems sell for $145, what is the b

Nobody knew the secret. The secret ....................... Required to answer. Single choice. (1 Point) has not known was not known has not been known is not k