document.write( "Question 62118: My daughter has this example : 2/3 x -5 =7
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document.write( "she has several problems like this to solve but missing one of the above pieces of information. \n" );
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Algebra.Com's Answer #42874 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! : (2/3)x - 5 = 7 \n" ); document.write( ": \n" ); document.write( "It's a good idea to mult by a value that will get rid of the denominator \n" ); document.write( "Mult thru by 3 and you have: \n" ); document.write( "2x - 15 = 21 \n" ); document.write( "; \n" ); document.write( "Add 15 to both sides to isolate the unknown on the left: \n" ); document.write( "2x = 21 + 15 \n" ); document.write( ": \n" ); document.write( "2x = 36 \n" ); document.write( ": \n" ); document.write( "Divide both sides by 2 \n" ); document.write( "x = 36/2 \n" ); document.write( "x = 18 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "It's a good idea to check your solution by substituting the solution in the original equation: \n" ); document.write( "(2/3)18 - 5 = 7 \n" ); document.write( "12 - 5 = 7 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |