document.write( "Question 763797: if the sum of a number and 4 is subtracted from 20 the result is 3 times the number. find the number \n" ); document.write( "

Algebra.Com's Answer #465035 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "let a number be $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " the sum of a number and $\"4\"$ : $\"x%2B4\"$ \r
\n" ); document.write( "\n" ); document.write( " is subtracted from $\"20\"$ : $\"20-%28x%2B4%29\"$ \r
\n" ); document.write( "\n" ); document.write( "the result is $\"3\"$ times the number: $\"20-%28x%2B4%29=3x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"20-%28x%2B4%29=3x\"$ ....solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"20-x-4=3x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"20-4=3x%2Bx\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"16=4x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"16%2F4=x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%284=x%29\"$ \r
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