Mathematics, 06.05.2021 21:30, lexybellx3
40) Consider the steps to simplify the expression. What property of operation is used in Step 2?
Expression: -4% +7-34
Step 1: = -47+7+43 (-34)
Step 2:= -45
Step 3: = 4+ (3)+(-3)+(-7)+7
Step 4:= -4 +63)+(-7)+(-3) +7 +7
Step 5:= -4 + (-1) + (-3) + 7
Step 6: = -8 +7
Step 7: = -1
A) Apply the associate property of addition,
B) Apply the commutative property of addition.
C)The opposite of a sum is the sum of it's opposites.
D) Subtracting a number is the same as adding the inverse.​
Answers: 3
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40) Consider the steps to simplify the expression. What property of operation is used in Step 2?
E...
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