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2p - 2 +3 ≥ 3p -7
2p +1 ≥ 3p -7
2p - 3p ≥ -7 -1
-p ≥ -8 (kedua ruas dikali -1,tanda ≥ brubah mnjadi ≤ )
p ≤ 8(b)
2(2x-5) - 3(x-1) ≥ 3x -13
4x - 10 - 3x +3 ≥ 3x -13
x - 7 ≥ 3x -13
x - 3x ≥ -13+7
-2x ≥ -6
2x ≤ 6
x ≤ 3(a)
2x+7/3 < 5
2x+7 < 5 × 3
2x+7 < 15
2x < 15-7
2x < 8
x < 4(b)
C = { 1,2,3,4,6,12}
2x-1/5 < x+1/3
3(2x-1) < 5(x+1)
6x - 3 < 5x + 5
6x - 5x < 5+3
x < 8(b)
semoga dapat di pahami