document.write( "Question 370880: when multiplying the equation, to eliminate a fraction, I multiplied both sides by the denominator in the fraction. do i also need to multiply the whole number. \r
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document.write( "For example: 2/9x = 4/3x + 5\r
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document.write( "When multiplying both sides by 3, do i also need to multiply 5 by three as well? \n" );
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Algebra.Com's Answer #264351 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! For example: 2/9x = 4/3x + 5 \n" ); document.write( "You want to multiply each term (including 5), but I think you want to multiply by 9 \n" ); document.write( "Assuming the problem is: \n" ); document.write( " \n" ); document.write( "multiply by 9 \n" ); document.write( " 9* \n" ); document.write( "cancel the denominators \n" ); document.write( "2x = 3(4x) + 45 \n" ); document.write( "2x = 12x + 45 \n" ); document.write( "2x - 12x = 45 \n" ); document.write( "-10x = 45 \n" ); document.write( "x = \n" ); document.write( "x = -4.5 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this in the original problem \n" ); document.write( " \n" ); document.write( "9 and 3 will cancel into 4.5, using decimals \n" ); document.write( "2(-.5) = 4(-1.5) + 5 \n" ); document.write( "-1 = -6 + 5 \n" ); document.write( "-1 = -1 \n" ); document.write( " |