Q. Solve for u.−3=∣u∣−7Write your answers as integers or as proper or improper fractions in simplest form.u= _____ or u= _____
Isolate absolute value expression: Isolate the absolute value expression.Add 7 to both sides of the equation to isolate the absolute value on one side.−3+7=∣u∣−7+74=∣u∣
Add 7 to both sides: Solve for u.Since ∣u∣=4, u can be either 4 or −4 because the absolute value of both 4 and −4 is 4.So, u=4 or u0.