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16-08-2016
Mathematics

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x+6 is less than or equal to 12+2x

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16-08-2016

x+6≤12+2x
x-2x≤12-6
-x≤6
-x/-1≤6/-1
because we divide by a negative number, we have to flip the sign of inequality.
x≥-6

Answer: x≥-6

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