Some of the steps in Liam's solution to 3.5(1.25x+0.5)=10.5 are shown. Complete the boxes with reasons for lines 2 and 4 of Liams solution. (The options in the drop down boxes for 2 and 4 are the same)

Some of the steps in Liams solution to 35125x05105 are shown Complete the boxes with reasons for lines 2 and 4 of Liams solution The options in the drop down bo class=