document.write( "Question 893591: what should be added to 71 to make the sum 101?
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Algebra.Com's Answer #541402 by Jynald-(6)\"\" \"About 
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let x be the added number\r
\n" ); document.write( "\n" ); document.write( "71 x = 101\r
\n" ); document.write( "\n" ); document.write( "isolate x,
\n" ); document.write( "tranpose 71 to other side and it become negative\r
\n" ); document.write( "\n" ); document.write( "x = 101 - 71
\n" ); document.write( "x = 30\r
\n" ); document.write( "\n" ); document.write( "checking:
\n" ); document.write( "30 71 = 101
\n" ); document.write( "101 = 101
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