MatemáticasBásico1 respuestas

II. - resuelve las siguientes desigualdades1?

II. - resuelve las siguientes desigualdades 1. ) 2x - 3 ≤ 4 + 7x 2. ) - 3≥ 8(2 - x) 3. ) 3(2 - 3x) > 4(1 - 4x) 4. ) 8(x + 1) + 1< 3(2x) + 1.

En resumen

1. <img src="https://tex.z-dn.net/?f=2x%20-%203%20%5Cleqslant%204%20%2B%207x" /> <img src="https://tex.z-dn.net/?f=%20-%203%20-%204%20%5Cleqslant%207x%20-%202x" /> <img src="https://tex.z-dn.net/?f=%20-%207%20%5Cleqslant%205x" /> <img src="https://tex.z-dn.net/?

Mejor respuesta

Solecitok1461
8

1. <img src="https://tex.z-dn.net/?f=2x%20-%203%20%5Cleqslant%204%20%2B%207x" />

<img src="https://tex.z-dn.net/?f=%20-%203%20-%204%20%5Cleqslant%207x%20-%202x" />

<img src="https://tex.z-dn.net/?f=%20-%207%20%5Cleqslant%205x" />

<img src="https://tex.z-dn.net/?f=%20-%20%20%5Cfrac%7B7%7D%7B5%7D%20%20%5Cleqslant%20x" />

2.

<img src="https://tex.z-dn.net/?f=%20-%203%20%5Cgeqslant%208%282%20-%20x%29" />

<img src="https://tex.z-dn.net/?f=%20-%203%20%5Cgeqslant%2016%20-%208x" />

<img src="https://tex.z-dn.net/?f=%20-%203%20-%2016%20%5Cgeqslant%20%20-%208x" />

<img src="https://tex.z-dn.net/?f=%20-%20%20%5Cfrac%7B19%7D%7B8%7D%20%20%5Cgeqslant%20%20-%20x" />

multiplicando por ( - 1 ) tenemos

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B19%7D%7B8%7D%20%20%5Cleqslant%20x" />

3.

<img src="https://tex.z-dn.net/?f=3%282%20-%203x%29%20%3E%204%281%20-%204x%29" /> 4(1 - 4x)" alt = "3(2 - 3x) > 4(1 - 4x)" align = "absmiddle" class = "latex - formula">

[img = 10] 4 - 16x" alt = "6 - 9x > 4 - 16x" align = "absmiddle" class = "latex - formula">

[img = 11] 4 - 6" alt = " - 9x + 16x > 4 - 6" align = "absmiddle" class = "latex - formula">

[img = 12] - 2" alt = "7x > - 2" align = "absmiddle" class = "latex - formula">

[img = 13] - \ frac{2}{7} " alt = "x > - \ frac{2}{7} " align = "absmiddle" class = "latex - formula">

4.

[img = 14]

[img = 15]

[img = 16]

[img = 17]

[img = 18]

[img = 19].