Question

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

Answer 1

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 2

5

Explanation: