To evaluate the expression 7 - (-7), we can simplify it step by step:
Step 1: Simplify the expression inside the parentheses.
-(-7) = 7
Step 2: Substitute the simplified expression back into the original expression.
7 - (-7) = 7 - 7
Now, let's analyze the given statements:
The expression equals 0.
False. The expression 7 - 7 does not equal 0. It equals 0 when multiplied by (-7), but in this case, the multiplication is not part of the expression.
The expression equals 14.
False. The expression 7 - 7 equals 0, not 14.
The expression is equal to the absolute value of 7.
False. The absolute value of 7 is 7, but the expression 7 - 7 is 0, not 7.
The expression is equal to the opposite of 7.
False. The opposite of 7 is -7, but the expression 7 - 7 is 0, not -7.
Therefore, none of the given statements are true about the expression 7 - (-7).