IxI+Ix-5I=7 mohon jawabanya
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IxI+Ix-5I=7 mohon jawabanya
1 Jawaban
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1. Jawaban Anonyme
|x| + |x - 5| = 7
-x - (x - 5) = 7
-2x = 7 - 5
x = -1
x + (x - 5) = 7
2x = 7 + 5
x = 6
Nilai x :
x = -1 dan x = 6