Question

Unu si doi repede dau corona .Vrei răspunsuri călare cât mai rapid

Answer 1

1)
a)x+5≤2
x≤2-5
x≤-3

b)-x+2≤5
-x≤5-2
-x≤3
x>-3

c)-2x<4
x≥-2

d)x:(-4)>2
-x/4>2
x<-8

2)
a)x-12<-15
x<-15+12
x<-3

b)x+7≤3
x≤3-7
x≤-4
x={-4,-3,-2,-1,....}


c)-3x<9
x>-3
x={-4,-5,-6......}

d)2x≤-6
x≤-3
x={-3,-2,-1,0,1,......}

e)-6x>-12
x<2
x={1}

f)-x-5≥-7
-x≥-7+5
-x≥-2
x≤2
x={1,2}