a) 2 - 3x ≥ x + 14
- 3x - x ≥ 14 - 2
- 4x ≥ 12
-x ≥ 12/4
- x = 3 (-1)
x = - 3
b ) 3( 1 - 2x) < 2( x + 1 ) + x - 7
3 - 6x < 2x + 2 + x - 7
- 6x - x - x < 2 - 7 - 3
- 8x < - 8
- x = -8/8 (-1)
x = 1
c ) x/3 - ( x + 1)/2 < ( 1 - x)/4 mmc 3,2, 4 = 12
4x/12 -( 6x + 6)/12< (3 - 3x)/12
4x - 6x - 6 < 3 - 3x
4x - 6x + 3x < 3 + 6
x < 9
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a) 2 - 3x ≥ x + 14
- 3x - x ≥ 14 - 2
- 4x ≥ 12
-x ≥ 12/4
- x = 3 (-1)
x = - 3
b ) 3( 1 - 2x) < 2( x + 1 ) + x - 7
3 - 6x < 2x + 2 + x - 7
- 6x - x - x < 2 - 7 - 3
- 8x < - 8
- x = -8/8 (-1)
x = 1
c ) x/3 - ( x + 1)/2 < ( 1 - x)/4 mmc 3,2, 4 = 12
4x/12 -( 6x + 6)/12< (3 - 3x)/12
4x - 6x - 6 < 3 - 3x
4x - 6x + 3x < 3 + 6
x < 9