1) 7x + 4 ( x - 2 ) > 6 ( 1 + x ) 2) 2( x - 1 ) - 3 ( x + 2 ) < 6 (1 +x)

Question

1) 7x + 4 ( x - 2 ) > 6 ( 1 + x )
2) 2( x - 1 ) - 3 ( x + 2 ) < 6 (1 +x)

Answer 1

1)7х+4(х-2)>6(1+х)
7х+4х+8>6+6х
7х+4х-6х>6-8
5х>-2|:5
х>-2/5
х>-0,4
х€(-0,4;+ беск)

2)2(х-1)-3(х+2)<6(1+х)<br>2х-2-3х-6<6+6<br>2х-3х-6х<6+2+6<br>-7х<14|:(-7)<br>х>-2
х€(-2;+бескон)