Respuesta :

kadenskinner

Answer:

4-9 = 4+(-9)

-6-7 = -6+(-7)

-4-(-9) = -4 + 9

6-(-7) = 6+7

Step-by-step explanation:

Double negatives means a positive and one positive and one negative is a negative.

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Answer:

[tex]4-9[/tex] → [tex]4+\left(-9\right)[/tex]

[tex]-6-7[/tex] → [tex]-6+\left(-7\right)[/tex]

[tex]-4-\left(-9\right)[/tex] → [tex]-4+9[/tex]

[tex]6-(-7)[/tex] → [tex]6+7[/tex]

Step-by-step explanation:

1) [tex]4-5[/tex]

  • [tex]-5[/tex]

[tex]4+(-9)[/tex]

  • [tex]-5[/tex]

------------

2) [tex]-6-7[/tex]

  • -13

[tex]-6+\left(-7\right)[/tex]

  • -13

--------------

3) [tex]-4-\left(-9\right)[/tex]

  • 5

[tex]-4+9[/tex]

  • 5

-----------------

4) [tex]6-\left(-7\right)[/tex]

  • 13

[tex]6+7[/tex]

  • 13

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