amylaudinaa
amylaudinaa amylaudinaa
  • 02-09-2016
  • Mathematics
contestada

Which equation is equivalent to x + 3y – z = 3?

3x + 6y – 3z = 6

4x + 12y – 4z = 12

2x + 4y – 2z = 8

2x + 3y – 4z = 12

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 03-09-2016
x + 3y - z = 12 => 4(x + 3y - z = 3) => 4x + 12y - 4z = 12
Answer Link
taskmasters
taskmasters taskmasters
  • 07-09-2016
To find which equation is equivalent, we simplify the equations.

3x + 6y – 3z = 6
(3x + 6y – 3z = 6)1/3
x + 2y - z = 2 ------------> not equal

(4x + 12y – 4z = 12)1/4
x + 3y - z = 3------------> equal

(2x + 4y – 2z = 8)1/2
x + 2y - z = 4 ------------> not equal

2x + 3y – 4z = 12 ------------> not equal
Answer Link

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