document.write( "Question 768522: If 13 is added to a number and the sum is multiplies by 3, the result is 7 times the number decreased by 9. Find the number. \n" ); document.write( "
Algebra.Com's Answer #806253 by CubeyThePenguin(3113)\"\" \"About 
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3(13 + x) = 7x - 9
\n" ); document.write( "39 + 3x = 7x - 9
\n" ); document.write( "48 = 4x\r
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\n" ); document.write( "\n" ); document.write( "x = 12
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