Matematika

Pertanyaan

|2/3x-1/3| <1

soal persamaan mutlak sma x
|2/3x-1/3| <1 soal persamaan mutlak sma x

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  • -1<|2/3x-1/3|<1
    -1+1/3|2/3x|<1+1/3
    -2/3<|2/3x|<4/3
    -2/3×3/2<|x|<4/3×3/2
    -6/6<|x|<12/6
    -1<|x|<2

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