nyastewart14 nyastewart14
  • 24-03-2020
  • Mathematics
contestada

what is the value of X?
-5x-5y=25
3x+5y=-21

Respuesta :

afzbyjus
afzbyjus afzbyjus
  • 25-03-2020

Answer:

x = -2

Step-by-step explanation:

Solution:

-5x - 5y = 25    -(1)

3x + 5y = -21     -(2)

Adding (1) and (2),

-5x - 5y + 3x + 5y = 25 - 21

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

-2x = 4

x = 4 / -2

Therefore, x = -2

PLZ MARK ME AS BRAINLIEST!!!

Answer Link
dominiksefedini dominiksefedini
  • 25-03-2020

Answer:

Step-by-step explanation:

-5x+3x=-2x

-5y+5y=0y

-21+25=4

-2x=4

2x=-4

x=2

Answer Link

Otras preguntas

Semantics was also known as significs. a. True b. False
An unusual fog that is denser than air begins to fill a room should the people in the room walk out or crawl out
A coding professional may assume a cause-and effect relationship between hypertension and which of the following complications?
Which of these ideas was largely discredited by the results of World War I?
When one nation hires people from another country to do certain kinds of work it is called _____. investing outsourcing insourcing internal action
how do the witches create tension in macbeth
walking at a constant speed, a person walks 4/7 of a mile in 18 minutes. how far will he walk in 30 minutes?
What is the tallest mountain in the world
7.6375 correct to 2 decimal place
Gary earned a gross pay of $1,047.30 last week. Using the fact that Social Security tax is 6.2% of gross pay, determine the amount of Social Security tax deduct