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2)Solve 5 - 2x < 7.x < -1Bx>-1X<-12Dx>-12
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2)Solve 5 - 2x < 7.x < -1Bx>-1X<-12Dx>-12

User Fabio Mendes Soares
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\begin{gathered} 5-2x<7 \\ 5-2x-5<7-5 \\ -2x<2 \\ \mleft(-2x\mright)\mleft(-1\mright)>2\mleft(-1\mright) \\ 2x>-2 \\ (2x)/(2)>-(2)/(2) \\ x>-1 \end{gathered}

answer:

x > - 1

User Thomas Altmann
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