ash1993
ash1993 ash1993
  • 03-08-2016
  • Mathematics
contestada

Find an ordered pair x,y 4x-y=5

Respuesta :

Аноним Аноним
  • 03-08-2016

y=2X-5 and 4X-Y=7

Putting the value of Y in 2nd equation:

4x-2x+5=7

2x=7-5

2x=2

OR,x=2/2=1

 

putting the value of x in equation 1:

y=2x-5

y=2*1-5

y=2-5

y=-3

 

Answer Link

Otras preguntas

Gregory Mendel discovered some basic rules about inheritance. DNA. RNA. reproduction.
what subjects from ancient times did humanists study and explore ?
Noj has the following test scores 76, 84, 69,74,91 His teacher will allow him to retake the test on which he scored the lowest. Noj wants an average of at least
True or False (correct if false): In return for free land, settlers in Texas had to agree to support Mexican independence from Spain.
8/25 = ? /100 explain please
what do biotic and abiotic factors have in common
write a division sentence that can be used to represent the following repeated subtraction. 24-8=16. 16-8=8. 8-8=0
which rain forest is located mostly on islands
which expression is equivalent to 3(x+2)(x-1)+5x(x-1)
leah has 3 fewer than 4 times as many DVD`s as sonia has. leah has 37 dvds. how many dvds does sonia have?