Evaluate.
186 − (−72)
186 - (-72) = 186 + 72 = 258
Therefore, the evaluation of 186 - (-72) is 258.
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Question
Consider the steps to simplify the expression. What property of operation is used in Step 2?
Expression: -437
+ 7 - 347
Step 1: = -437
+ 7 + (-347
)
Step 2: = -437
+ (-347
) + 7
Step 3: = -4 + (-37
) + (-3) + (-47
) + 7
Step 4: = -4 + (-37
) + (-47
) + (-3) + 7
Step 5: = -4 + (-1) + (-3) + 7
Step 6: = -8 + 7
Step 7: = -1
Responses
A Apply the associate property of addition.Apply the associate property of addition.
B Apply the commutative property of addition.Apply the commutative property of addition.
C The opposite of a sum is the sum of it's opposites.The opposite of a sum is the sum of it's opposites.
D Subtracting a number is the same as adding the inverse
The property of operation used in Step 2 is the commutative property of addition.
In Step 2, the expression is rearranged so that the terms are written in a different order. The order of addition does not change the result.
To evaluate the expression 186 − (−72), we need to substitute the values into the equation and perform the subtraction.
First, we simplify the expression by removing the negative sign from the second term:
186 + 72
Next, we perform the addition:
186 + 72 = 258
Therefore, 186 − (−72) equals 258.