a)
x-2>9
x>9+2
x>11
b)
x+4<5
x<5-4
x<1
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a)
x-2>9
x>9+2
x>11
b)
x+4<5
x<5-4
x<1
x>9+2
x>11
b)x+4<5
x<5-4
x<1