1/2(x - 3) = 2/3(x - 8)
Distributive property on both sides.
0.5x - 1.5 = 0.7x -5.3
Add 5.3 to both sides.
0.5x + 3.8 = 0.7x
Subtract 0.5x from both sides.
3.8 = 0.2x
Multiply both sides by 5.
x = 19 (This is your answer.)
Let me know if you have any other questions. :)