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a)
-x -4 < 6 -2x
-x+2x < 6+4
x < 10
b)
6+3x > 4x+2
3x-4x > 2-6
-x > -4
x < 4
c)
-3x+2 > -7
-3x > -8-2
-3x > -9
x < 3
d)
5x-1 < 3x+2
5x - 3x < 2+1
2x < 3
x < 3/2
no 5)
a)
-3 <= x <= 2
b)
-1 <= x <= 3
c)
0 <= x <= 4
d)
x = 0