Question

Minta tolong ya ,
A.3a + 14 > 21
B.6c - 1 > 9c + 26
C.5x - 3 < x + 17
D.9 - 2x < 2x - 11

Answer 1

A)
3a + 14 < 21
3a < 21- 14
3a < 7
a < 7/3

b) 
6c -1 > 9c + 26
6c - 9c > 26+1
- 3c > 27
c < -27/3
c < - 9

d)
9 - 2x < 2x - 11
-2x - 2x < -11 - 9
- 4x < - 20
x > -20/-4
x > 5

Answer 2

a.
3a+14 > 31
3a > 7
a > 7/3

b.
6c-1 > 9c+26
-27 > 3c
c < -9

c.
5x-3 < x+17
4x < 20
x < 5

d.
9-2x < 2x-11
20 < 4x
x > 5