document.write( "Question 298759: I am trying to back into the selling price before sales tax.
\n" ); document.write( "Our sales tax rate is 7.75% and the total sales price including tax is $20.00. The equation is as follows:\r
\n" ); document.write( "\n" ); document.write( "x + (x*7.75%) = $20\r
\n" ); document.write( "\n" ); document.write( "x + .0775x = $20 is as far as I get before drawing a blank\r
\n" ); document.write( "\n" ); document.write( "Please show work as I am going crazy trying to solve the equation but know the answer is x = $18.56\r
\n" ); document.write( "\n" ); document.write( "thank you!!
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Algebra.Com's Answer #214813 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
Your first steps are fine.
\n" ); document.write( "x+0.0775x = 20 Now factor the x.
\n" ); document.write( "x(1+0.0775) = 20 Simplify.
\n" ); document.write( "x(1.0775) = 20 Divide both sides by 1.0775
\n" ); document.write( "x = 18.5615
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