document.write( "Question 738475: if QRST is a rectangle find X if angle Q is equal to 10x-80 \n" ); document.write( "
Algebra.Com's Answer #450825 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "if QRST is a rectangle, then each angle is \"90\"°\r
\n" ); document.write( "\n" ); document.write( "so, angle \"Q=90\"°\r
\n" ); document.write( "\n" ); document.write( "if angle \"Q\" is equal to \"10x-80\", then \"10x-80=90\"\r
\n" ); document.write( "\n" ); document.write( " \"10x-80=90\".....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( " \"10x=90%2B80\"\r
\n" ); document.write( "\n" ); document.write( " \"10x=170\"\r
\n" ); document.write( "\n" ); document.write( "\"x=170%2F10\"\r
\n" ); document.write( "\n" ); document.write( "\"x=17\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );