Write an equation (using a variable), then solve. the difference between the heights of your chair and your desk is -10 1/4 inches. the height of your desk is29 3/4 inches. what is the height of your chair?

Chair height=c    desk height=d (idk if its the chair that is taller or the desk but im guessing its the chair. if not you can switch the variables and it should still work)

d=29 3/4
c-d=-10 1/4
c=d-10 1/4
c=29 3/4 +10 1/4
c=40