document.write( "Question 921290: The sum of 10 and a number is 3 times the number \n" ); document.write( "
Algebra.Com's Answer #558917 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let's a number be \"x\"\r
\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "the sum of \"10\" and a number is \"3\" times the number:\r
\n" ); document.write( "\n" ); document.write( "\"10%2Bx=3x\" now we can find a number \r
\n" ); document.write( "\n" ); document.write( "\"10=3x-x\"\r
\n" ); document.write( "\n" ); document.write( "\"10=2x\"\r
\n" ); document.write( "\n" ); document.write( "\"10%2F2=x\"\r
\n" ); document.write( "\n" ); document.write( "\"5=x\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"10%2Bx=3x\"\r
\n" ); document.write( "\n" ); document.write( "\"10%2B5=3%2A5\"\r
\n" ); document.write( "\n" ); document.write( "\"15=15\"
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