lexipoole
lexipoole lexipoole
  • 02-04-2015
  • Mathematics
contestada

Y=2x-5
3x+8y+32=56
What does y and x equal?

Respuesta :

Panoyin
Panoyin Panoyin
  • 03-04-2015
y = 2x - 5
3x + 8y + 32 = 56
3x + 8(2x - 5) + 32 = 56
3x + 8(2x) - 8(5) + 32 = 56
3x + 16x - 40 + 32 = 56
19x - 8 = 56
      + 8   + 8
     19x = 64
      19     19
         x = 3.4
y = 2(3.4) - 5
y = 6.8 - 5
y = 1.8
(x, y) = (3.4, 1.8)
Answer Link

Otras preguntas

8d+5e-11 for d=6 and e=-9
Melissa wants to buy a new pair of shoes that have an original price of $45. Melissa has a coupon for 20 percent off to use on them, which amounts to a discount
The acceleration due to gravity on earth is 9.80 m/s2. if the mass of a dog is 40.0 kg, what is the weight of the dog? 4 n 40 n 392 n 490 n
What do twilights means
Matthew and Bradley got into an argument. Matthew was convinced that the above picture was RNA, and Bradley was positive that it was DNA. Who is right and why
Explain how parris's problems with his congregation help to fan the belief that witches are present in Salem
HELLPP! This is all the math homework I have. I'm nowhere near good at math and need help.
name three ehr software systems commonly used by physician offices
small dna strands are known as what
What would happen in you were given pure water in an iv