IzzyT23 IzzyT23

12-01-2021
Mathematics

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i need help with this problem 7- (-9) - 18 + (-19) + 18

Respuesta :

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13-01-2021

Answer:

Remove parentheses.

7+9-18-19+18

7+9−18−19+18

2 Simplify 7+97+9 to 1616.

16-18-19+18

16−18−19+18

3 Simplify 16-1816−18 to -2−2.

-2-19+18

−2−19+18

4 Simplify -2-19−2−19 to -21−21.

-21+18

−21+18

5 Simplify.

-3

−3

Step-by-step explanation:

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