document.write( "Question 28663: find the two-digit number whose tens is three less than the units digit. the original number is 6 more than 4 times the sum of the digit. solve. \n" ); document.write( "
Algebra.Com's Answer #15600 by Paul(988)\"\" \"About 
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10's digit:
\n" ); document.write( "y=x-3
\n" ); document.write( "Unit digit = x
\n" ); document.write( "y+x=6+4(y+x) --> sub
\n" ); document.write( "10x-30+x=6+4(x+x-3)
\n" ); document.write( "11x-30=6+8x-12
\n" ); document.write( "11x-30=8x-6
\n" ); document.write( "3x=24
\n" ); document.write( "x=8\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "y=8-3
\n" ); document.write( "y=5\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Hence, the 10's digit is 5 and the unit digit is 8.
\n" ); document.write( "Paul.
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