Sorality
Sorality Sorality
  • 01-07-2017
  • Mathematics
contestada

Find the solution of this system of equations

6x = 90 +3y
x - 3y = 50

Show work please

Respuesta :

konrad509
konrad509 konrad509
  • 01-07-2017
[tex]6x = 90 +3y\\ x - 3y = 50\\\\ -6x+3y=-90\\ \underline{x-3y=50}\\ -5x=-40\\ x=8\\\\ 8-3y=50\\ 3y=-42\\ y=-14 [/tex]
Answer Link
fakeclogg fakeclogg
  • 01-07-2017
I did it using elimination method.
Ver imagen fakeclogg
Answer Link

Otras preguntas

Point X is located at (3, 2). Point Y is located at (3, -8) What is the distance from point X to point Y?
A seller uses a perpetual inventory system, and on April 4, it sells $5,000 in merchandise (its cost is $2,400) to a customer on credit terms of 3/10, n/30. Com
Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference of the two grades is 16. The sum
A silver cube with an edge length of 2.38 cm and a gold cube with an edge length of 2.79 cm are both heated to 81.9 ∘C and placed in 109.5 mL of water at 19.6 ∘
Find the value of each variable
Escribe al frente de cada oración la clase según el tipo de verbo: • Susana está feliz: • Adriana y Clara ensayaron para el baile: • Óscar leyó treinta libros e
Which line from the text shows that Capulet believes Tybalt should respect him because he is Tybalt's uncle? "An ill-beseeming semblance for a feast" "It fits,
What is StartAbsoluteValue 9 EndAbsoluteValue? –18 –9 9 18
What is the range of the function shown on the graph above?
What was lost and gained during the Glorious, American, and French Revolution?