first you distribute the -2 by everything in the parenthesis so then you get -12 + 1- = 26 the you subtract 10 from each side which leaves you with -12 = 16 then you devide -12 by both sides and you get the decimal 1.33 repeating.
If each person is painting their own wall that means that it takes each person 41 minutes to paint their wall. That means it would take 41 minutes for 14 people to paint 14 walls.
