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4(7) - 4(4x) ≥ 4()
28 - 16x ≥ x - 6
28 + 6 ≥ x + 16x
34 ≥ 17x
2 ≥ x
x ≤ 2
{x l x ≤ 2} = A
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-2(5 - 3x) + 6 < -7 + 28x
-10 + 6x + 6 < -7 + 28x
6x - 28x < -7 - 6 + 10
-22x < -3
x > = D
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1 = 2x > 8
= x > 4 (salah)
2 = x - 1 ≥ 3
= x ≥ 4 (benar)
3 = x + 3 > 6
= x > 3 (benar)
2) dan 3) = D
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2y + 3 ≤ 12
2y ≤ 12 - 3
2y ≤ 9
y ≤ 4
y terbesar = 4 = A
maaf kalo salah ya semoga membantu