| x + 1 | = | 3 - x |
Matematika
felishnn
Pertanyaan
| x + 1 | = | 3 - x |
1 Jawaban
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1. Jawaban Anonyme
|x + 1| = |3 - x|
(x + 1)² - (3 - x)² = 0
4(2x - 2) = 0
x = 1