williamsalanisp49bqk
williamsalanisp49bqk
11-05-2018
Mathematics
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5 − (x + 5) > −2(x + 4)
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gmany
gmany
11-05-2018
[tex]5-(x+5) \ \textgreater \ -2(x+4)\\\\5-x-5 \ \textgreater \ -2\cdot x-2\cdot4\\\\5-5-x \ \textgreater \ -2x-8\\\\-x \ \textgreater \ -2x-8\ \ \ |add\ 2x\ to\ both\ sides\\\\x \ \textgreater \ -8\to x\in(-8;\ \infty)[/tex]
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