-BRAINLIEST IF ANSWERED RIGHT- Given the equation
5+x−12=x−7:

Part A. Solve the equation
5+x−12=x−7. In your final answer, be sure to state the solution and include all of your work.
Part B. Use the values
x=−4,0,5 to verify your solution to the equation
5+x−12=x−7.
In your final answer, include all of your calculations.

Part A:

( is equal to all real numbers)

Part B:

Step-by-step explanation:

Part A:

Given , combine like terms:

Add 7 to both sides:

Since this is merely a true statement for all real numbers (reflexive property), this equation is true for any real value of .

Therefore,

( is equal to all real numbers).

Part B:

Using arbitrary values as requested in part B, verify:

answer: 590

step-by-step explanation: