Question

dau coroana promit cine face primul exercitiul 6 si corect dau coroana ​

Answer 1

a)

$x - 5 > 0 \\ = > x > 5$

b)

$2x + 5 < 7 \\ = > 2x < 2 \\ = > x < 1$

c)

$3x \geqslant - 15 \\ = > x \geqslant - 5$

d)

$- 4x \geqslant 12 \\ = > - x \geqslant 3 \\ = > x \geqslant - 3$

e)

$2x - 1 \leqslant 11 \\ = > 2x \leqslant 10 \\ = > x \leqslant 5$

f)

$- 6 + 3x < x \\ = > 3x < x + 6 \\ = > 2x < 6 \\ = > x < 3$