document.write( "Question 48718: Solve:\r
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document.write( "3x - 7 = 2x + 8 \n" );
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Algebra.Com's Answer #32257 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! 3x - 7 = 2x + 8 [Move all of the variables to one side of the equation] \n" ); document.write( "3x - 7 + 7 = 2x + 8 + 7 [Add 7 to both sides] \n" ); document.write( "3x = 2x + 15 \n" ); document.write( "3x - 2x = 2x - 2x + 15 \n" ); document.write( "x = 15\r \n" ); document.write( "\n" ); document.write( "Check by plugging in (x-15) back into the equation. \n" ); document.write( "3(15) - 7 = 2(15) + 8 \n" ); document.write( "38 = 38 [Checks out] \n" ); document.write( " |