x=6
11-3x=-7
To find what x equals, get x alone one one side of the equation. To do this, first subtract 11 from each side.
-3x=-18
Finally, divide each side by -3 to get x alone.
x=6
To check your answer, substitute 6 in for x.
11-3(6)=-7
11-18=-7
-7=-7
x=6
Hope this helped!