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

The Inchcape Rock by Robert Southey The ballad of "The Inchcape Rock" retells the legend of a treacherous reef in the North Sea, of the kind Abbot who sought to

experts only please.......................

Yolanda purchased a prepaid phone card for $20. Long distance calls cost 14 cents a minute using this card. Yolanda used her card only once to make a long dista

The renal papilla empties urine into the

Zeno tried to train his potbellied pig to pick up the newspaper on the doorstep and bring it into the house. however, the pig pushed the paper with his snout in

a store is going out of business everything is marked down 40% how much do you pay for an item that cost $150

Yuri works for a county law enforcement agency. he assists the sheriff's department by finding out the cause of death in homicides, suicides, and other cases of

Juliette made the jewelry box shown below.The jewelry bow was shaped like a right rectangular prism

the fifth amendment eminent domain which gives the government the right to seize private property for public use but requires it to provide just compensation op

Why did Abraham Lincoln lose the election of 1858