document.write( "Question 215821: The measure is 47 less than twice that of its complement.
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Algebra.Com's Answer #163035 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
2(90-x)-47+x=90
\n" ); document.write( "180-2x-47+x=90
\n" ); document.write( "-x=90+47-180
\n" ); document.write( "-x=-43
\n" ); document.write( "x=43 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "2(90-43)-47+43=90
\n" ); document.write( "2*47-47+43=90
\n" ); document.write( "94-47+43=90
\n" ); document.write( "90=90
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