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Mathematics 20 Online
OpenStudy (anonymous):

Solve 2(4x + 3) < 5x + 21. A. {x|x< 9} B. {x|x> -5} C. {x|x> -9} D. {x|x< 5}

OpenStudy (anonymous):

\[8x+6-5x-21<0\]

OpenStudy (anonymous):

\[3x-15<0, 3(x-5)<0, x-5<0 \]

OpenStudy (anonymous):

|dw:1371570319914:dw|

OpenStudy (anonymous):

so x<5 so D

OpenStudy (anonymous):

thank you

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