nuramohd
nuramohd nuramohd
  • 13-10-2019
  • Mathematics
contestada

A,x=-5+3y
3x+2y=7
B,x-5=2
2x+y=4

Respuesta :

aduntide
aduntide aduntide
  • 13-10-2019

Answer:

A

[tex]x = 1 \\ y = 2[/tex]

Step-by-step explanation:

[tex]x = - 5 + 3y \\ 3x + 2y = 7 \\ 3( - 5 + 3y) + 2y = 7 \\ - 15 + 9y + 2y = 7 \\ - 15 + 11y = 7 \\ 11y = 7 + 15 \\ 11y = 22 \\ y = 2 \\ 3x + 2(2) = 7 \\ 3x + 4 = 7 \\ 3x = 3 \\ x = 3[/tex]

Answer Link

Otras preguntas

what ways can anabolic steroids be ingested
The job of the circulatory system is to bring
How would you respond? develop a logical response to mary’s post. provide evidence to support your arguments?
How many months of the year have 28 days? how many months of the year have 28 days? 1 2 12 it depends on whether or not it is a leap year?
Ireland has a 23% VAT (value-added tax, similar to a sales tax). How much will the VAT be on a purchase of a €250 item?
Conversión a fracción de 0.355
What economic advantages did the north have over the south
M mr. Brown has $410,000 in a retirement account that earns 3.85% interest each year. Find the amount earned each year by his investment. How do you do this I d
The major elements of organic molecules is carbon identify three other carbon is normally bonded to
A _____ is best described as any activity a firm pursues to explore and develop new products and processes, new markets, or new ventures.