What is the answer for | 3x - 2 | = 8 and | x + 1 | = 1

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?