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2x+1 ≤ 3x+4
2x-3x ≤ 4-1
-x ≤ 3
x ≥ -3
Jadi, himpunan penyelesaiannya = {x ≥ -3}
2.
-3x+17 < 15-2x
-3x+2x < 15-17
-x < -2
x > 2
Jadi, himpunan penyelesaiannya = {x>2}
2x - 3x ≤ 4 - 1
-x ≤ 3
x ≤ 3 : (-1)
x ≥ -3
HP = { -3 , -2 , -1 , 0 , ... }
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-3x + 17 < 15 - 2x
-3x + 2x < 15 - 17
-x < -2
x < -2 : (-1)
x > 2
HP = { 3 , 4 , 5 , 6 , ... }
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