Question

please please do it 4 question
correct

please do it fast it's urgent​

Answer 1

7. We already have a number so we have subtract 42 from -93

  -93-42

  -135

8. To get -79 we have to subtract 52 from -79

-79-52

-131

9. -220-53-396

-669

10. -412+211              163-116

      -201                    47

       47-201

       -154

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