document.write( "Question 679718: Three times a number decreased by two, is equal to twice the same
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document.write( "number increased by seven.\r
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document.write( "Ive made it into 3x-2=2x+7 \n" );
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Algebra.Com's Answer #422040 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Now just do some basic algebra \n" ); document.write( ": \n" ); document.write( "3x - 2 = 2x + 7 \n" ); document.write( "add 2 to each side \n" ); document.write( "3x = 2x + 7 + 2 \n" ); document.write( "3x = 2x + 9 \n" ); document.write( "subtract 2x from both sides \n" ); document.write( "3x - 2x = 9 \n" ); document.write( "x = 9 \n" ); document.write( ": \n" ); document.write( "Check this; substitute 9 for x in the original equation, see that equality reigns! \n" ); document.write( " |