Question

Problem #1-Carlos solved the equation below for X. His solution is X=7. What mistake did he make and how could he have verified his solution to know for certain that his answer is correct?

Part B: What could Carlos do to check his answer?

Part C: What is the correct answer? Show ALL steps.

Part D: Show the work to check that you answer is correct.

Answer 1

B): He could plug the answer he got back into the problem

C): I am unsure what the correct answer is because I do not see the full problem

D): Again, I am unsure what the correct answer is because I do not see the full problem

Explanation: