krb2
krb2
10-02-2017
Mathematics
contestada
need to solve x and y
Respuesta :
afbc1028
afbc1028
10-02-2017
3x-4y=18
3x-y= 18/4 = 9/2
x-y = 9/2 / 3/1
x-y= 3/2
x = (3/2) + y
x+3y = -7
x+y= -7/3
x= (-7/3) -y
Answer Link
Notoeis2
Notoeis2
10-02-2017
2. x= 2
y= -3
4. x= 8.5
y= 4.7
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
how many ounces is 570ml
The word that means of lesser rank is _____. coordinate dominant independent subordinate
A newly-planted tree needs to be staked with three wires. Each wire is attached to the trunk 3 feet above the ground, and then anchored to the ground 4 feet fr
Please help me! First correct answer is brainliest and I will thank you on your account and comment a sweet message! A home goods store received $881 from the
Read this sentence from "The Cask of Amontillado" by Edgar Allan Poe: In painting and gemmary, Fortunato, like his countrymen, was a quack, but in the matter o
-a recipe for cookies call 7 1/2 cups of flour. if the recipe is for 2 dozen cookies, how much flour is needed for 8 dozen cookies
What are two types of evidence that suggest that evolution has occurred?
If the lengths of the sides of similar triangles were quadrupled, what would happen to the lengths of the altitudes? (please help!!)
Differentiated animal cells and tissues include _____.
In a machine , a large gear completes a revolution every minute while a small gear completes a revolution every 24 seconds. If the gears are currently aligned,
