Question

Resolva a inequação: 3 (X-1)-2 (X+1) ≥-9

Answer 1

$3(x - 1) - 2(x + 1) \geqslant - 9 \\ 3x - 3 - 2x - 2 \geqslant - 9 \\ x - 5 \geqslant - 9 \\ x \geqslant - 4$

Answer 2

3x - 3 -2x -2 ≥ -9

x ≥ 3 + 2 - 9

x ≥ 5 - 9

x ≥ -4