document.write( "Question 1151338: Give, in interval notation, the unknown numbers in the following description.
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document.write( "When 2 is added to twice a number, the result is greater than or equal to 14. \n" );
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Algebra.Com's Answer #773060 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! let x be the number, then \n" ); document.write( ": \n" ); document.write( "2x +2 > or = 14 \n" ); document.write( ": \n" ); document.write( "subtract 2 from both sides of > or = \n" ); document.write( ": \n" ); document.write( "2x > or = 12 \n" ); document.write( ": \n" ); document.write( "x > or = 6 \n" ); document.write( ": \n" ); document.write( "therefore x belongs to the interval [6, +infinity) \n" ); document.write( ": \n" ); document.write( "Note the interval is closed on the left \n" ); document.write( ":\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |