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= -2x > -12
= x > -12/-2
= x > 6
2. = { 3(3x + 2/3) < 5 (2x -2/3) } ×3
= 9x + 2 < 10x - 2
= 9x - 10x < -2 -2
= -x < -4
= x < 4
3. = { 1/2( 2x - 6 ) > 2/3(x - 4) × 6}
= 6x - 6 > 2x - 8
= 6x - 2x > -8 + 6
= 4x > -2
= x > -2 / 4
= x > -2
Itu setau saya.., maaf kalau salah