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

what is the mean of atomicity? what is the mean of lsotopes? what is a metalloid​
if 9x+10y=2 and -8x-6y=-10 are true equations, what would be the value of x + 4y?
need help need help need help​
help on number 5 please
SELECT ALL THAT APPLY. In order to cross the chasm after the beachhead market is identified, the entrepreneur should ______.
3(x-1)=2x+9. Solve equation
hep look below 50 points
2. Scenario #2: A popular U.S. based luxury spa chain is looking to enter the global marketplace by opening a spa in Germany. They have no previous experience o
who wants points for now work just put any answer who wants points for now work just put any answer who wants points for now work just put
How was the attack of the young people on Elisha really an attack on God?