Question

решить неравенства
5-x<4
4x-10>2

Answer 1

$5-x<4 \\x>5-4 \\x>1 \\x\in (1;+\infty) \\4x-10>2 \\4x>10+2 \\4x>12 \\x>3 \\x \in (3;+\infty)$

Answer 2

$5 - x < 4 \\ - x < 4 - 5 \\ - x < - 1 \\ x > 1 \\ \\ 4x - 10 > 2 \\ 4x > 2 + 10 \\ 4x > 12 \\ x > 3$