daedae78947 daedae78947
  • 03-07-2019
  • Mathematics
contestada

Find the solution x-2y=-26 x-y=-2

Respuesta :

gmany
gmany gmany
  • 07-07-2019

Answer:

x = 22 and y = 24

Step-by-step explanation:

[tex]\left\{\begin{array}{ccc}x-2y=-26\\x-y=-2&\text{change the signs}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-2y=-26\\-x+y=2\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad-y=-24\qquad\text{change the signs}\\.\qquad\qquad y=24\\\\\text{Put the value of y to the second equation:}\\\\x-24=-2\qquad\text{add 24 to both sides}\\x=22[/tex]

Answer Link

Otras preguntas

What is the immediate effect if a law is declared unconsti- tutional?
we broaded the train Active to passive voice Present indefinite tense
The development of online capabilities created the ________, an information- and communication-based electronic exchange environment occupied by sophisticated c
Decide if the verbs describe actions or states. Then write them in the correct simple or progressive form.“I (1)________(not have) a lot of time for anything ex
Which type of rock starts off a liquid before it cools and hardens into solid rock?.
please help!!!!!!!!!!!!
Name the angle in four ways. Then classify the angle as acute,right,obtuse, or straight. Ignore the words.
For what value of x is the equation 2(x-12)+ x = 36 true? F. 4 G. 8 H. 16 J. 20 K. 30
What are the two branches of the somatic nervous system?
what is the number in the middle of 11 and 24 ? x