3х-7<х+1</strong>
3x-x<1+7</strong>
2x<8</strong>
x<4</strong>
___________
2+х>8-х
x+x>8-2
2x>6
x>3
___________
1-х ≤ 2х-5
-x-2x≤-5-1
-3x≤-6
x≥2
___________
2х+1>х+6
2x-x>6
2x-1x>6
(2-1)x>6
1x>6
x>6
____________
4х+2>3х+1
4-3x+2-2>3x-3x+1-2
4x-3x>1-2
x>-1
____________
6х+1<2х+9</strong>
6x-2x+1-1<2x-2x+9-1</strong>
6x-2x<9-1</strong>
4x<8</strong>
4x:4<8:4</strong>
x<3</strong>