katlynn935
katlynn935 katlynn935
  • 17-08-2016
  • Mathematics
contestada

solve the sytems of equations by substitution
x=-4y
x+5y=2

Respuesta :

abby022 abby022
  • 17-08-2016
Y=2, put -4y in for do to the second equation, and then it's technically 5-4 so then you have 1y=2 then you move the 1 to the other side by dividing 2 by 1.
Answer Link
Cupcake71
Cupcake71 Cupcake71
  • 17-08-2016
x = -4y    x + 5y = 2
-4y +5y = 2

*add -4y and 5y*
y = 2

x = -4(2)

*Multiply -4 and 2*
x = -8
Answer Link

Otras preguntas

After paying nine dollars for the pie , Sara has fifty-seven dollars left. How much money did she have before buying the pie ?
Which of these was nullified by the kansas Nebraska act? A. Missouri compromise B. Personal liberties laws C. Idea of popular sovereignty D. Crittenden compr
45x+5=190 does anyone no this answer
Two softballs can complete a full rotation in 120 minutes. How many softballs can complete a full rotation in 180 minutes?
What is the number of organisms that are tested in an experiment called?
Which type of governmental power does a unitary system hold?
Kansas entered the Union as a slave state or free state?
¿Qué libros leía Don Quijote?
NEED IT ASAP! <3 plz & thx What type of government does the United Kingdom have? A. a constitutional monarchy B. a federal democracy C. a dictatorship D.
In what year was the House Un-American Activities Committee (HUAC) established?