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Verified answer
Kelas 10 MatematikaBab Nilai Mutlak
|2x + 1| >= 5
2x + 1 >= 5
2x >= 5 - 1
x >= 4/2
x >= 2
2x + 1 <= -5
2x <= -5 - 1
x <= -6/2
x <= -3
HP = { x | x <= -3 atau x >= 2, x € bilangan real }