Penjelasan dengan langkah-langkah:
[tex]4 + 2x \geqslant 3x - 15 \\ 2x - 3x \geqslant - 15 - 4 \\ - x \geqslant - 19 \\ x \leqslant 19[/tex]
[tex]2(2x - 3) \leqslant 3(2x + 4) \\ 4x - 6 \leqslant 6x + 12 \\ 4x - 6x \leqslant 12 + 6 \\ - 2x \leqslant 18 \\ x \geqslant - \frac{18}{2} \\ x \geqslant - 9[/tex]
[tex]3x + 6 < x - 12 \\ 3x - x < - 12 - 6 \\ 2x < - 18 \\ x < - \frac{18}{2} \\ x < - 9[/tex]
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Penjelasan dengan langkah-langkah:
[tex]4 + 2x \geqslant 3x - 15 \\ 2x - 3x \geqslant - 15 - 4 \\ - x \geqslant - 19 \\ x \leqslant 19[/tex]
[tex]2(2x - 3) \leqslant 3(2x + 4) \\ 4x - 6 \leqslant 6x + 12 \\ 4x - 6x \leqslant 12 + 6 \\ - 2x \leqslant 18 \\ x \geqslant - \frac{18}{2} \\ x \geqslant - 9[/tex]
[tex]3x + 6 < x - 12 \\ 3x - x < - 12 - 6 \\ 2x < - 18 \\ x < - \frac{18}{2} \\ x < - 9[/tex]