Answer:
Joe's answer is justified that his mistake was the property shown to steps 3 and 5 was incorrect but his step3 and step5 are right
That is Step3 : (by using Multiplication Property of Equality )
Step5 : (by using Subtraction Property of Equality )
The correct properties in steps are given below
Step3 : (by using Subtraction Property of Equality )
Step5 : (by using Multiplication property of Equality )
This steps and the properties used here are correct.
Step-by-step explanation:
Given equation is
Joe solved the equation as below
Step1 :
Step2 :
Step3 : (by using Multiplication Property of Equality )
Step4 :
Step5 : (by using Subtraction Property of Equality )
Step6 : Therefore x=14
Joe's answer is justified that his mistake was the property shown to steps3 and 5 was incorrect but his step3 and step5 are right
That is Step3 : (by using Multiplication Property of Equality )
Step5 : (by using Subtraction Property of Equality )
The corrected properties in steps are given below
Step3 : (by using Subtraction Property of Equality )
Step5 : (by using Multiplication Property of Equality )
This steps and the properties used here are correct