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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. saya artikan soalnya sbb
5x-3 < x + 17
5x - x < 17+3
4x < 20
x= 5
d.
9 - 2x < 2x - 11
-2x -2x < -11-9
-4x < - 20
x < 5
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