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Tju [1.3M]
3 years ago
12

The answer key says the solution is -66 and I cannot figure out how that’s possible.

Mathematics
2 answers:
castortr0y [4]3 years ago
6 0

Answer:

it ends in -66

Step-by-step explanation:

https://www.tiger-algebra.com/drill/-3[-3(-4-1)-(-3-4)]/

notsponge [240]3 years ago
5 0

Answer: -66

<u>Step-by-step explanation:</u>

use PEMDAS.  Evaluate the parentheses, then multiplication, then addition.

-3[-3(-4 - 1) - (-3 - 4)]

           ↓           ↓

-3[-3(  -5  ) - (   -7   )]

       ↓          ↓

-3[   15     +    7      ]

               ↓

-3[           22          ]

  ↓

-66

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