document.write( "Question 182547: 2.\r
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document.write( "How are addition and multiplication used to solve a linear equation? Demonstrate by solving \"15x + 7 = 31 + 3x\" \r
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document.write( "thank you! \n" );
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Algebra.Com's Answer #137022 by stanbon(75887) ![]() You can put this solution on YOUR website! How are addition and multiplication used to solve a linear equation? Demonstrate by solving \n" ); document.write( "-----------------------------\r \n" ); document.write( "\n" ); document.write( "\"15x + 7 = 31 + 3x\" \r \n" ); document.write( "\n" ); document.write( "Add 15x to both sides to get: \n" ); document.write( "7 = 31 + 18x\r \n" ); document.write( "\n" ); document.write( "Subtract 31 from both sides to get: \n" ); document.write( "-24 = 18x\r \n" ); document.write( "\n" ); document.write( "Divide both sides by 18 to get: \n" ); document.write( "x = -24/18\r \n" ); document.write( "\n" ); document.write( "Simplify: \n" ); document.write( "x = -4/3 \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |