Answer:
how did the "X" on the right get to the left...
to remove it you have to SUBTRACT ...
you added "X" to both sides that was/is the error in your attempt
Explanation:
-2x + 5(x-1) = -11 + x
-2x + 5x - 5 = -11 +x
3x - 5 = -11 + x
2x - 5 = -11
2x = -6
x = -3