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04-02-2021
Mathematics

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What is the sum of 3 + ( - 7 ) + 9? Hint: Add the first two numbers, then add the result to the third number.

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lbullins77 lbullins77

04-02-2021

Answer:

5

Step-by-step explanation:

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Аноним Аноним

04-02-2021

Answer:

Step-by-step explanation:

Thanks for the hint

Use PEMDAS
Parenthesis,Exponent,Multiplication,Division,Addition,Subtraction

Step 1

3+(-7)+9 Equation/Question

Step 2

3+(-7)+9 Remove parenthesis

3-7+9

Step 3

3-7+9 Add and subtract

-4+9

Step 4

-4+9 Simplify

5

Answer

5

Hope this helps

Answer Link

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