Corinne solved the equation below:

5x = 95
5x − 5 = 95 − 5
x = 90

Is Corinne's solution correct? If the solution is incorrect, explain why it is incorrect and show the correct steps to solve the equation.

Question

Corinne solved the equation below: 

5x = 95 
5x − 5 = 95 − 5 
x = 90 

Is Corinne's solution correct? If the solution is incorrect, explain why it is incorrect and show the correct steps to solve the equation.

marihelenh · Answer

Did you ask this earlier? Or was this someone else? I have already answered this today..

anonymous · Answer

I did not ask earlier

marihelenh · Answer

Her solution is not correct. You can only subtract like terms so she can't do 5x-5. She would've needed to divide both sides by 5 and get x=19.