Xanderr Xanderr

02-10-2020
Mathematics

contestada

Plz help me.
Solve the system of linear equations by substitution
X+y=-7
-5x+y=5

Respuesta :

jennyzhang096 jennyzhang096

05-10-2020

Answer:

x= -2 y= -5

Step-by-step explanation:

X+y=-7

x+-y-7

-5(-y-7)+y=5

5y+35+y=5

6y+35=5

6y=5-s5

6y=-30

y=-5

-5x+(-5)=5

-5x=5+5

-5x=10

x=-2

Answer Link

Otras preguntas

which is a reflection over y axis pls help us due today

How did trade with Europeans affect Native American communities? How did trade with Native Americans affect Europeans?

Which conquistador led the Spanish conquest of Mexico? Cortés Coronado Ponce de León Montezuma

rev parris tells gov.danforth you cannot hang this sort what does he mean by this uote why is parris fearful to continue with the executions in salem

I cant figure out the answer.[tex]1472 divide by 32[/tex]

Raina must choose a number between 55 and 101 that is a multiple of 2,3 and 9. Write all the numbers that she could choose. If there is more than one number, se

List three ways in which energy is needed to allow you to ride a bike.

11:45 en inglés 6:15 2:30

difference between pure and applied research

Brenda records 76 songs on 4 albums