kelsangc3 kelsangc3
  • 27-12-2021
  • Mathematics
contestada

find the solution of the system of equation . 3x-y=19 3x-4y=-5

Respuesta :

nicolaycc
nicolaycc nicolaycc
  • 27-12-2021

Answer:

x=9 , y=8

Step-by-step explanation:

[tex]x=\frac{19+y}{3}[/tex]

[tex]3\cdot \frac{19+y}{3}-4y=-5[/tex]

[tex]19-3y=-5[/tex]

[tex]y=8[/tex]

and now

[tex]x=\frac{19+y}{3}[/tex]

[tex]x=9[/tex]

Answer Link

Otras preguntas

Z varies directly as the square of x. If z=48 when x=4, find z when x=5
How did a good relationship with Native Americans benefit the French?
g(6) + f(4) I need help with this ASAP can you pls help me
For an essay contest, Annika needs to write 400 words with an absolute deviation of less than 10 words. Using w as a variable, write an absolute value inequalit
Please help solve, pretty easy but idk how to do them, I have more of these please help
(22 points) Do other organisms get any benefit from a cicada’s life cycle? Explain your answer.
If AC =65, AB = 6c- 8 BC= 3c+1​
Lack of emphasis on World Languages in the USA has been a topic of debate in Congress. Witnesses testified that lack of focus on learning world languages could
How can resource conservation benefit the environment? A. Resource conservation can help preserve natural habitats. B. Resource conservation can reduce water po
Calculate the density of a sample of metal that has a mass of 1668 g and takes up a volume of 186.2 cm