Answer:
Step 2
Step-by-step explanation:
Michelle's step in trying to solve the equation is given below:

Michelle made a mistake in Step 2.
The right hand side of Step 1: 
Rather, the correct sum is:

The answer is 12. Matthew would be 12 & Elizabeth would be 7. 12+7=19. So C is your answer.
Answer: 10/3
Step-by-step explanation:
Look at attachment
Answer:
true
Step-by-step explanation:
i dont have an explanation its just true
Answer:
please see photo attached for detailed analysis.