chiquita77 chiquita77
  • 04-02-2019
  • Mathematics
contestada

What is the answer to |-2x-5|-|-4+8| and x=7

Respuesta :

choixongdong
choixongdong choixongdong
  • 04-02-2019

Answer:

15

Step-by-step explanation:

|-2x-5|-|-4+8|

=  |-2(7) -5| - |-4+8|

=  |-19| - |4|

= 19 -4

= 15

Answer Link
jimrgrant1 jimrgrant1
  • 04-02-2019

Answer:

15

Step-by-step explanation:

Note that the absolute value always returns a positive value, that is

| a | = | - a | = a

given | - 2x - 5 | - | - 4 + 8 | with x = 7, then

| - 14 - 5 | - | - 4 + 8 |

= | - 19 | - | 4 |

= 19 - 4 = 15


Answer Link

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