22-01-2021
Mathematics

contestada

Use substitution to solve the system.

X= ?
Y= ?

5x+4y = -10
x = 3y+17

Respuesta :

786winkoaung 786winkoaung

22-01-2021

Answer:

x=3.4

y=-6.75

Step-by-step explanation:

5x+4y=-10 (equation 1 )

-5x+3y=-17 (equation 2)

7y=-27

y=-6.75

substitution (equation 1 ) y=-6.75

5x-27=-10

5x=17

x=3.4

Answer Link

Otras preguntas

If a sound is loud enough and the space is small enough, echoes can make more echoes. What is the name for the sound of all the echoes that a sound makes? A. Re

What is the relationship between temperature and height in the troposphere ,stratosphere,mesophere,thermosphere,exosphere

The _____ cycle deals with geological processes and carbon reservoirs, some of which have been built up or take place over a period of millennia. In contrast, t

PLZ HELP WLL MARK BRAINLIEST!!! "question 2. How did the English Bill of Rights influence the American Bill of Rights?" Story: The Spirit of Laws: Baron de Mon

define biotic factors

Excuses for not bringing laptop in school?

According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft. In t

SI unit of mass and gravity

100 grams of KBr was dissolved in 100 grams of water at 60 degrees Celsius. The solution is ______________. supersaturated saturated unsaturated

The time rate of change of a rabbit population P is proportional to the square root of PP. At time t=0 (months) the population numbers 100 rabbits and is increa