Ответ:
б)
14-3x<1-x -3x+x<1-14 -2x<-13 x>6.5
1+7x>2+6x 7x-6x>2-1 x>1 x>1
x∈(6.5;+∞)
г)
1,2(x-5)-0.2(3+x)>8 1.2x-6-0.6-0.2x>8 x-6.6>8 x>8+6.6 x>14.6
2.5(4x-2)-x>4 10x-5-x>4 9x>4+5 9x>9 x>1
x∈(14.6;+∞)
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Answers & Comments
Ответ:
б)
14-3x<1-x -3x+x<1-14 -2x<-13 x>6.5
1+7x>2+6x 7x-6x>2-1 x>1 x>1
x∈(6.5;+∞)
г)
1,2(x-5)-0.2(3+x)>8 1.2x-6-0.6-0.2x>8 x-6.6>8 x>8+6.6 x>14.6
2.5(4x-2)-x>4 10x-5-x>4 9x>4+5 9x>9 x>1
x∈(14.6;+∞)