Question 498753
Please help me solve this equation: 3<1/2x+6<9 Solve the inequality and determine the graph of the solution set. Express the solution set using interval notation.
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3<1/2x+6<9
add -6 
-3<1/2x<3
multiply by 2
-6 < x < 6
solution:
number line
<.....(-6====6)........>
(-6, 6)