samuelhayes
samuelhayes samuelhayes
  • 04-02-2021
  • Mathematics
contestada

I need help please!!!
Solve the system by substitution.
y=-4x
y=x-5

Respuesta :

jawhuss
jawhuss jawhuss
  • 04-02-2021
You would plug in y into the other equation.
-4x = x-5
Put x variables on one side
-4x - x = -5
-5x = -5
x=1
Then plug in 1 for x in any equation
y = 1 - 5
y = -4
So the answers are x=1 and y=-4
Hope this helped!
Answer Link

Otras preguntas

Can someone use the word delta in a sentence
How is it possible for Mercury to have frozen ice ?
Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
Can someone use the word delta in a sentence
How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?
Can someone use the word delta in a sentence
find an equivalent expression without parentheses -(50x-15y+15)=
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
find an equivalent expression without parentheses -(50x-15y+15)=