Question

Решите неравенство:
а) 5(х-1)<2
б) 2+х<3х-1

Answer 1

а) 5x-5<2
5x<2+5
5x<7
x=7:5
7
x=—
5

Answer 2

a)
5(x-1)<2
5x-5<2
5x<7
$x textless 1 frac{2}{5}$
б)
2+x<3x-1
2x>3
$x textgreater 1 frac{1}{2}$