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

Is the underlined clause independent or subordinate? When a hedgehog is scared, it curls up into a ball. A. subordinate B. independent
To avoid unnecessary risk is to act in a ______ way .A.cautious B.vivid C.miniature D.treacherous
To avoid unnecessary risk is to act in a ______ way .A.cautious B.vivid C.miniature D.treacherous
How much is 3%from $600.85
What heavy seven letter word can you take two away and be left with eight?
What is 8/24 in simplified form
plzzzzzzz helpBased on the Law of Dominance, we would expect _____ percent of the offspring from this cross to have large teeth. A) 0 B) 25 C) 75 D) 100
write 0.39 as a fraction in simplest form
What is the purpose of a coelom? a. provide a space for internal organs to be stored and allowed to grow b. concentrate sense organs for cephalization c. sto
What type of heat transfer is heat that comes from a heat lamp in a bathroom? a. Conduction b. Convection c. Radiation d. Potential EXPLAIN why you think it is