document.write( "Question 980355: the sum of 2 numbers is 90 , 1 number is 10 less then 3 times the other number. What are 2 number ? \n" ); document.write( "
Algebra.Com's Answer #601495 by Boreal(15235)\"\" \"About 
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x+y=90
\n" ); document.write( "x=3y-10
\n" ); document.write( "Substitute
\n" ); document.write( "3y-10+y=90
\n" ); document.write( "4y-10=90
\n" ); document.write( "4y=100
\n" ); document.write( "y=25
\n" ); document.write( "x=65, and that is 10 less than 75, which is 3 times x
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