HELP EASY due soon What two operations does the Commutative Property not apply in Math? Why?

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

What is the solution of sqrt x+2-15=-3