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Beard
Mathematics
21 September, 02:34
What is the answer to |-2x-5|-|-4+8| and x=7
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Mila Nash
21 September, 02:53
0
15
Step-by-step explanation:
|-2x-5|-|-4+8|
= |-2 (7) - 5| - |-4+8|
= |-19| - |4|
= 19 - 4
= 15
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Tater Tot
21 September, 02:54
0
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
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