The equation |x + 4| = x has solution?
- x = 2
- x = -2
- x = 4
- None of these
Explanation
Absolute Value Equation
Given: |x + 4| = x
Case 1: x + 4 < 0 or x < -4
$x + 4 = x$
4 = 0, which is not possible.
-(x + 4) = x
-x - 4 = x
-2x = 4
x = -2
Related MCQs
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
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