Easy just multiply 4 and 15 bc a playing field has 4 sides and u get 60
X=-12 because you subtract the 9 since it is positive and bring it to the -3 and that gets you -12 and subtract the x from 2x because it is positive and you get x=-12
(-2/3) / (5/4) =
-2/3 * 4/5 =
-8/15 <=
12 and 16........ ........