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2x>-8
x<-4
b. 6x-3x<12-3
3x<9
x<3
c. 2x-4x>10-4
-2x>6
x>-3
d. 3x-6<5x-16
3x-5x<-16+6
-2x<-10
x>5
e. 6x+4>3x-12
6x-3x>-12-4
3x>-16
x<5 1/3
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5x > 3x - 8
2x > -8
x > -4
______________
b).
6x + 3 < 3x + 12
3x < 9
x < 3
______________
c).
2x + 4 > 4x + 10
-2x > 6 [ tanda dibalik ]
x < -3
______________
d).
3 ( x - 2 ) < 5x - 16
3x - 6 < 5x - 16
-2x < -10
x > 5
______________
e).
2 ( 3x + 2 ) > 3 ( x - 4 )
6x + 4 > 3x - 12
3x > -16
x > -5,33 [ dibulatkan ]
x ≥ -5