Rozwiąż nierówności x+7<15 -2x+3>9 10x+8>6x+16 6-2x<5x-8 2(x-1)+3x>3(x+2)+6 6x-2(x+1)<12

x+7<15 x<15-7 x<8 -2x+3>9 -2x>9-3 -2x>6|:-2 x<-3 10x+8>6x+16 10x-6x>16-8 4x>8|:4 x>2 6-2x<5x-8 -2x-5x<-8-6 -7x<-14|:-7 x>2 2(x-1)+3x>3(x+2)+6 2x-2+3x>3x+6+6 2x+3x-3x>12+2 2x>14|:2 x>7 6x-2(x+1)<12 6x-2x-2<12 6x-2x<12+2 4x<14|:4 x<3½

x+7<15 x<15-7 x<8 -2x+3>9 -2x>9-3 -2x>6/:(-2) x<-3 10x+8>6x+16 10x-6x>16-8 4x>8/:4 x>2 6-2x<5x-8 -2x-5x<-8-6 -7x<-14/:(-7) x>2 2(x-1)+3x>3(x+2)+6 2x-2+3x>3x+6+6 2x>14/:2 x>7 6x-2(x+1)<12 6x-2x-2<12 4x<14/:4 x<3½