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? 2x- 3=17

2x=14
X=7

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 have plugged his anwer back into the problem

C): The correct answer is: x=10

D): 2x-3=17

+3 +3

___________
2x=20

_____

2 2

x=10

Explanation: