Question 107139
x-5<2 or x-5>2
.
x-5<2
x-5+5<2+5
x<7
.
x-5>2
x-5+5>2+5
x>7
.
X(-infinty,7)U(7,infinty)
.
the only numbers x can't be is 7 and +-infinity
.
Ed