document.write( "Question 663759: I think of a number,increase it by 4 and double the answer .The result is 20 more than the number. Find this number \n" ); document.write( "

Algebra.Com's Answer #412927 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "think of a number $\"x\"$ ,increase it by $\"4\"$
\n" ); document.write( " $\"x%2B4\"$ \r
\n" ); document.write( "\n" ); document.write( " and double the answer\r
\n" ); document.write( "\n" ); document.write( " $\"%28x%2B4%292\"$ \r
\n" ); document.write( "\n" ); document.write( "the result is $\"20\"$ more than the number $\"x\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%28x%2B4%292=x%2B20\"$ ..solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x%2B8=x%2B20\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2x-x=20-8\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28x=12%29\"$ \r
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