nilai x dari | 3 - 2x | < 1

Bab Nilai Mutlak
Matematika SMA Kelas X

|3 - 2x| < 1

3 - 2x = 1
-2x = 1 - 3
x = -2 : -2
x = 1

atau

3 - 2x = -1
-2x = -1-3
x = -4 : -2
x = 2

1 < x < 2

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

-(3-2x) < 1
3-2x < -1
-2x < -1-3
-2x < -4
x < 2
Hp{1,2}

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