Quizzol

QUESTION:

Solve $| x - 7 | = 3$ .

x=7 and x=-7

x=-3 and x=3

x=10 and x=4

x=3 and x=-7

ANSWER:

Apply absolute rule: If |u| = a, a>0 then u = a      or     u = −a

x−7=−3 or x−7=3

x−7=−3    or     x−7=3

x=4 or x=10

Posted by Cleveland on September 18, 2024