document.write( "Question 133736: HELP please...
\n" ); document.write( "Solve using the addition principle.
\n" ); document.write( "2x + 5 < x+4 (the arrow is underlined) The solution set is {x|x< ?}\r
\n" ); document.write( "\n" ); document.write( "Solve using the multiplication principle.
\n" ); document.write( "5x>-4 (the arrow is underlined)\r
\n" ); document.write( "\n" ); document.write( "Translate to an inequality
\n" ); document.write( "A number is at least 14
\n" ); document.write( "(the answer is ? ? ?)
\n" ); document.write( "Use x as a variable
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Algebra.Com's Answer #97854 by dolly(163)\"\" \"About 
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2x + 5 < = x + 4
\n" ); document.write( "Adding -x to both sides,
\n" ); document.write( "==> 2x + 5 - x < = x + 4 - x
\n" ); document.write( "==> x + 5 < = 4
\n" ); document.write( "Adding -5 to both sides,
\n" ); document.write( "==> x + 5 - 5 < = 4 - 5
\n" ); document.write( "==> x < = -1
\n" ); document.write( "Thus solution set is {x | x < or = - 1}\r
\n" ); document.write( "\n" ); document.write( "(ii) 5x > = -4
\n" ); document.write( "Multiplying both sides by 1/5
\n" ); document.write( "==> (1/5) 5x > = - 4(1/5)
\n" ); document.write( "==> 5x/5 > = -4/5
\n" ); document.write( "==> x > = -4/5
\n" ); document.write( "Thus solution set is {x | x > or = - 4/5}\r
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\n" ); document.write( "\n" ); document.write( "(iii)A number is at least 14
\n" ); document.write( "Let x be the number
\n" ); document.write( "Then x > = 14\r
\n" ); document.write( "\n" ); document.write( "good luck!!!
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