9hx7npsphx 9hx7npsphx

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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[tex] \frac{(a-3) * (\frac{a}{3} +1)}{\frac{1}{3}} [/tex] [tex] \frac{a( \frac{a}{3} ) + a - 3(\frac{a}{3}) - 3 }{\frac{a}{3}} [/tex] [tex] \frac{\frac{3a+a}{3}