Answer :
You're not finding the value of 5x-7=7x-17 .
You're finding the value of 'x' that makes that statement true.
Apparently, you carried out the correct procedure, and you did it correctly.
'x' is in fact 5 .
You're finding the value of 'x' that makes that statement true.
Apparently, you carried out the correct procedure, and you did it correctly.
'x' is in fact 5 .