Verified answer

first you distrubute the 5 to get 10w-20=6w

then you minus 10 w on each side to get -20=-4w

then you divide -4 on each side to get 5=w

you use the distributive property, which means you do 5 times 2 which equals 10w. then your answer is 10w because 10w - 4w = 6w