then on tuesday, you made x+2 toys
on wednesday, you made (x+2)+2 = x+4 toys
on thursday, you made (x+4)+2=x+6 toys
on friday you made (x+6)+2 = x+8 toys..
during the 5-day work week(monday to friday), you made 45 toys means
x+ x+2 + x+4 + x+6 + x+8 = 45
So, the number of toys you made on thursday would be....