ivan37 ivan37
  • 02-06-2017
  • Mathematics
contestada

What is the solution to the system of equations x-y=-1 and x-3y = 13

Respuesta :

Osiris7 Osiris7
  • 02-06-2017
Using process of substitution. 

x-y+y=-1+y

x=-1+y

Now substitute into x-3y=13

-1+y-3y=13
-1+1-2y=13+1
-2y=14

y=-7

Therefore, x= -8
Answer Link

Otras preguntas

Rewrite the following sentence in the plural form: That mother and baby still move in my thoughts.​
What did Morehouse and Howard have in common?
How do we distinguish between remote and local information sources? Give an example of each source?I'll give brainliest if answered right
The Southern Christian Leadership Conference (SCLC), lead by _____, was in the forefront of many civil rights protests in the 1960s. Martin Luther King Mohandas
how do i answer this question?
Read the excerpt from the play The King of Sharks: Scene 3 Young man with a birthmark in the shape of shark teeth on his back is hiding behind some trees, liste
answer should be given in m/s​
Why does the line you're in always move the slowest?
Two friends, Bob and Ben, each buy one ticket for a drawing. They can choose six numbers from a total of one hundred numbers (0 - 99) for their ticket. Bob choo
ROLE THE AMERICAN WOMEN PLAY IN THE CIVIL RIGHTS MOVEMENT FROM THE 1950s TO 1960s?​