Math Problem Statement

Solusi dari persamaan ||x - 1| - 2| = 4 adalah... Select one:

a. x=-4 dan x = - 4

b. x = 2

c. x=3 dan x = - 1

d. x=2 dan x = - 1

x = - 3 dan x = - 1

Solution

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Math Problem Analysis

Mathematical Concepts

Absolute Value
Algebra

Formulas

|x - a| = b implies x - a = b or x - a = -b

Theorems

Absolute Value Properties

Suitable Grade Level

Grades 9-11