Question

por favor me ajudar ​

Answer 1

Resposta:

x€[-4; +oo [

$x + x + x + x + x + 100 = x + x + 200 \\ < = > 5x + 100 = 2x + 200 \\ < = > 5x - 2x = 200 - 100 \\ < = > 3x = 100 \\ x = \frac{100}{3} \\ 2x + 3 \geqslant x - 1 \\ < = > 2x - x \geqslant - 1 - 3 \\ < = > x \geqslant - 4 \\ x = - 4 \: . - 3. \: - 2. \: - 1$