distributed the 0.9 to the .5 converted fraction to decimal
and the 2, keep the parenthesis and subtract the 0.45
with the positive 1.8 which equals -1.35. Then add-1.35 to 0.6 and then you get -0.75 is the solution.
You would need to have the information of how it translated, wether it was left or right, or up or down. you would also want the information of how far it translated.