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x > -2
Himpunan penyelesaian = {-1, 0, 1, ...}
2 - 3y ≤ 3
-3y ≤ 3 - 2
-3y ≤ 1
y ≥ -1/3
Himpunan penyelesaian = {-1/3, -1, 0, ...}
2a + 7 ≥ 5
2a ≥ 5 - 7
2a ≥ -2
a ≥ -1
Himpunan penyelesaian = {-1, 0, 1, ...}
x² - 4 < 0
x² < 4
√x² < √4
x < 2
Himpunan penyelesaian = {1, 0, -1, ...}