Attached solution with detailed work.
The activity pictured is called goat tying.

<em>Subtract</em> 2/3x on both sides.

Combine 5/3x and -2/3x to get x.

Subtract 4 from both sides. <em>Any value</em> subtracted from zero results in its negative value.
Is the answer 5r-1? I'm not sure tho sorry if it's wrong!
The answer is simplest form is 7/6= 1 1/6