document.write( "Question 309873: y=3x
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document.write( "y-4x=10
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document.write( "solve for x \n" );
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Algebra.Com's Answer #221647 by mananth(16946)![]() ![]() You can put this solution on YOUR website! y=3x \n" ); document.write( "y-4x=10\r \n" ); document.write( "\n" ); document.write( "subtract the second equation from the first.\r \n" ); document.write( "\n" ); document.write( "y-(y-4x) =3x-10\r \n" ); document.write( "\n" ); document.write( "y-y+4x=3x-10\r \n" ); document.write( "\n" ); document.write( "4x=3x-10 \n" ); document.write( "4x-3x=10 \n" ); document.write( "x=10 \n" ); document.write( ". \n" ); document.write( "y=30 \n" ); document.write( " |