Hello, could you me with my math exercise? you in advance

how do you go from the starting number to the result? with the following algorithm:
choose a number
multiply by -11
add 5
multiply by -9
add the starting number
subtract 55

the number chosen is x

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350