document.write( "Question 155918: Find the value of k so that the equation below has the solution set {-5}.\r
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document.write( "4(x+3)=x(3-k)\r
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document.write( "so far i have this but my main problem is what is the definition of a solution set?\r
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document.write( "4x+12=3x-kx minus 3x from each side. x+12/x= -kx/x then -12/x=k \n" );
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Algebra.Com's Answer #114865 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the value of k so that the equation below has the solution set {-5}. \n" ); document.write( "4(x+3)=x(3-k) \n" ); document.write( "--------------------- \n" ); document.write( "A solution is the set of numbers which make an equation true. \n" ); document.write( "----------------------- \n" ); document.write( "Substitute -5 for x to get: \n" ); document.write( "4(-5+3) = -5(3-k) \n" ); document.write( "4(-22) = -5(3-k) \n" ); document.write( "-88 = -15 + 5k \n" ); document.write( "5k = -73 \n" ); document.write( "k = -14.6 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |