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Solve the inequality -2 <3x -5 < 7. Graph the solution set.
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Reiny
-2 <3x -5 < 7 now add 5 to each component
3 < 3x < 12 divide by 3
1 < x < 4
so x lies between 1 and 4
on a number line, make open circles at 1 and 4, draw a solid line between these two circles.
3 < 3x < 12 divide by 3
1 < x < 4
so x lies between 1 and 4
on a number line, make open circles at 1 and 4, draw a solid line between these two circles.
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