document.write( "Question 271675: Seven times a number added to -7 is 28 \n" ); document.write( "
Algebra.Com's Answer #198844 by checkley77(12844)\"\" \"About 
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7X-7=28
\n" ); document.write( "7X=28+7
\n" ); document.write( "7X=35
\n" ); document.write( "X=35/7
\n" ); document.write( "X=5 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "7*5-7=28
\n" ); document.write( "35-7=28
\n" ); document.write( "28=28
\n" ); document.write( "
\n" );