Answer:
C
Step 4
Step-by-step explanation:
The given steps and justifications are:
Given
Step 2
Distributive property of multiplication over addition
Step 3
Commutative property of multiplication
<em>This justification is not correct. </em>
<em>This justification is not correct. This is rather the inverse property</em>
<em>This justification is not correct. This is rather the inverse propertyTherefore step 3 has an incorrect justification.</em>
Step 4: 11x−40=10x+45
Associative property of addition
Step 5: x−40=45
Subtraction property of equality
Step 6: x=85
Addition property of equality