Answer:
1. if x + 5 = 12, then x = 7
:Subtraction property of equality
2. If x + y = 20, and y = 5, then x + 5 = 20.
<u>:Substitution property of equality</u>
3. If 2x3 = 11, then 11 = 2x - 3.
<u>:Symmetric property of equality</u>
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Answer:

Step-by-step explanation:
Given


Required
Represent as an equation
The new position of the hook is calculated by:

This gives:


Hence, the equation is:

Answer:
1/16 inches
Step-by-step explanation: