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

User Edwardth
by
8.7k points

2 Answers

2 votes

Answer:

15

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


User Hashier
by
7.8k points
2 votes

Answer:

15

Explanation:

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

= |-2(7) -5| - |-4+8|

= |-19| - |4|

= 19 -4

= 15

User Riyad
by
8.3k points

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