document.write( "Question 987353: I don't understand how to do the problem: =
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Algebra.Com's Answer #608086 by ikleyn(52798)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "You have an equation\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The common denominator of the ratios in the left and the right sides of the equation is 12. \r \n" ); document.write( "\n" ); document.write( "Multiply both sides of the equation by the common denominator 12. You will get\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x = 24 + 4*(x-3). \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now, open parentheses in the right side:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x = 24 + 4x - 12. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Collect common terms:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x - 4x = 24 - 12, or\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-x = 12.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply both sides by -1. You will get \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -12.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Congratulations! You just solved the equation. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now check your solution. Substitute the found value of x = -12 into the left side of the original equation. You will get \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Next, substitute x = -12 into the right side of the original equation. You will get \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, your solution is correct. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Good job!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |