Look at the problem and work below.

What should we conclude about the value of x?
Solve the equation.
6x-10=4x+16
Find and fix the error in the work on the "Show your work" board.
Solve the equation.
-3(4x+1)=-(x-8)
Solve the equation.
2(-5t+1)=-5(2t+1)+7
Look at the work below.

This person made an error in reasoning. Explain what it is.