Question

1) Resolva em R as seguintes inequações:
a)3x-4≥0
b)8-2x<0
c)3-4x > x-7
d)x/4 - 3(x-1)/10 < 1

Answer 1

a] 3x≥4+0
3x≥4

b]-2x<-8+0
-2x<-8
-8/-2x
4

c]-4x-x>-3-7
5x>-10
-10/5x
-2

d]5x-6x+6/20<1
-x+6/20<1
-x+6/20:1
-x+6/20