Question

RESOLVA ESSA INEQUAÇÃO:
2.(1-x)≤2(2-1)

Answer 1

Resposta:

$2 \ . \ (1-x)\leq 2(2-1)\\\\2(1-x)\leq 2 \ . \ 1\\\\2(1-x)\leq 2\\\\\frac{2(1-x)}{2} \leq \frac{2}{2} \\\\1-x\leq 1\\\\1-x-\leq 1-1\\\\-x\leq 0\\\\(-x)(-1)\geq 0 \ . \ (-1)\\\\x\geq 0$