gyjjgucyjiffikg gyjjgucyjiffikg
  • 18-10-2018
  • Mathematics
contestada

y - x = 2
2x - 3y = 32
solve for x and y

Respuesta :

gmany
gmany gmany
  • 19-10-2018

[tex]\left\{\begin{array}{ccc}y-x=2&|\cdot2\\2x-3y=32\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}2y-2x=4\\2x-3y=32\end{array}\right}\qquad|\text{add both sides of the equations}\\.\qquad-y=36\to y=-36\\\\\text{put the value of y to the first equation}\\\\-36-x=2\qquad|+36\\\\-x=38\to x=-38\\\\Answer:\ \boxed{x=-38,\ y=-36}[/tex]

Answer Link

Otras preguntas

Runaround Corporation sells running shoes and during January they ran production machines for 29 comma 000 hours total and incurred $ 10 comma 500 in maintenanc
What We say that DNA is complementary. This means that one side complements the other. Since we know the base-pairing rules..... if the bases on one side of the
In the Crucible of the Florida Collections bookThe difference in what a character does and says from the beginning of a play to its ending is called a character
Simplify 8X +7 - 2X -4
What is the purpose of the double V compaign
30 points Who published four articles in Freedom’s Journal, titled ”Appeal to the Colored Citizens of the World.” A) Frederick Douglass B) David Walke
In ΔGHI, h = 760 inches, ∠G=43° and ∠H=26°. Find the length of i, to the nearest inch.
If there are 300 kittens born for every 1000 cats In a year what is per capita birth rate?
Explain the concept of regression to the mean between generations.
What can officers do to maintain effective communication during emergency situations