andybiersack154
andybiersack154 andybiersack154
  • 01-02-2019
  • Mathematics
contestada

to start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? The two equations are -2x-5y=-1 and 4x+2y=8

Respuesta :

ctyrector
ctyrector ctyrector
  • 01-02-2019

Answer:

You would multiply the x component by -2

Step-by-step explanation:

(-2) (-2x-5y)=-2(-1)

4x+10y=2

4x+2y=8

set both equal to 4x

4x=2-10y

4x=8-2y

2-10y=8-2y

-6=8y

y=-6/8

y=-3/4

4x + 2(-3/4) = 8

4x=38/4

x=38/16

x=19/8


Answer Link

Otras preguntas

is the planet Uranus surface rocky or flat?
When do we celebrate Independence Day?
What was one important thing that Abraham Lincoln did?
What is an amendment?
When do we celebrate Independence Day?
What is one promise you make when you become a United States citizen?
Name one problem that led to the Civil War.
When an excited electron in an atom moves to the ground state, the electron (1) absorbs energy as it moves to a higher energy state (2) absorbs energy as it mov
What does the judicial branch do?
We elect a President for how many years?