document.write( "Question 179323: 3(x+4)-5(x-6)<7 \n" ); document.write( "

Algebra.Com's Answer #134250 by checkley75(3666) $\"\"$ $\"About$

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3(x+4)-5(x-6)<7
\n" ); document.write( "3x+12-5x+30<7
\n" ); document.write( "-2x+42<7
\n" ); document.write( "-2x<7-42
\n" ); document.write( "-2x<-35
\n" ); document.write( "x>-35/-2 dividing by a negativee valus changes the < to a > sign.
\n" ); document.write( "x>35/2 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "let x=36/2 or x=18
\n" ); document.write( "3(18+4)-5(18-6)<7
\n" ); document.write( "3*22-5*12<7
\n" ); document.write( "66-60<7
\n" ); document.write( "6<7
\n" ); document.write( " \n" ); document.write( "

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