document.write( "Question 205881: How do you solve 3x-7<4x+5 \n" ); document.write( "

Algebra.Com's Answer #155488 by checkley77(12844) $\"\"$ $\"About$

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3x-7<4x+5
\n" ); document.write( "3x-4x<5+7
\n" ); document.write( "-x<12
\n" ); document.write( "x>-12 when you divide by a negative value the < sign bedomes a > sign.
\n" ); document.write( "Proof:
\n" ); document.write( "Let x=-11
\n" ); document.write( "3*-11-7<4*-11+5
\n" ); document.write( "-33-7<-44+5
\n" ); document.write( "-40<-39 \n" ); document.write( "

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