clara2018 25/07/2020 a) 3x - 12 <03x<12x<4b) 5(-x + 1) + 2(3x - 4) > -1-5x+5+6x-8 >-1x>-5+8-1x>2c)-x + 3 2x + 5 < 2 3-3x+9 < 6x+10-1 <9xx>-1/9
clara2018
a) 3x - 12 <0
3x<12
x<4
b) 5(-x + 1) + 2(3x - 4) > -1
-5x+5+6x-8 >-1
x>-5+8-1
x>2
c)
-x + 3 2x + 5
<
2 3
-3x+9 < 6x+10
-1 <9x
x>-1/9