Pre-Calculus

Solve the inequality -2 <3x -5 < 7. Graph the solution set.

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  1. -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.

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    posted by Reiny

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