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x ≤ 14/2
x ≤ 7
b. 5x + 5 < 10
5x < 10-5
5x < 5
x < 5/5
x < 1
c. 2x-7 ≥ 43
2x ≥ 43+7
2x ≥ 50
x ≥ 25
catatn : bagain c , udah bener soalnya y aku jwb ?