2(3х+1)-х<3(х+4)<br>6x+2-x<3x+12<br>6x-x-3x<12-2<br>2x<10<br>x<5<br>
7х+4(х-2)>6(1+3х)
7x+4x-8>6+18x
7x+4x-18x>6+8
-7x>14
x<-2<br>
2(х-1)-3(х+2)<6(1+x)<br>2x-2-3x-6<6+6x<br>2x-3x-6x<6+2+6<br>-7x<14<br>x>-2
7(у+3)-2(у+2)>2(5у+1)
7y+21-2y-4>10y+2
7y-2y-10y>2-21+4
-5y>-15
y<3<br>
6(3+5у)-(2+7у)<5(4+3у)<br>18+30y-2-7y<20+15y<br>30y-7y-15y<20-18+2<br>8y<4<br>y<0,5<br>
4(3у-1)-3(у-1)>2(3+у)
12y-4-3y+3>6+2y
12y-3y-2y>6+4-3
7y>7
y>1