document.write( "Question 468100: I'm thinking of a number that, when you multiply it by 9, it is the same as adding 8 to 7 times the number. What is the number?\r
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Algebra.Com's Answer #321181 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! I'm thinking of a number that, when you multiply it by 9, it is the same as adding 8 to 7 times the number. \n" ); document.write( " What is the number? \n" ); document.write( ": \n" ); document.write( "9x = 8 + 7x \n" ); document.write( "9x - 7x = 8 \n" ); document.write( "2x = 8 \n" ); document.write( "x = 4 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "See if that is so: \n" ); document.write( "9(4) = 8 + (7*4) \n" ); document.write( "36 = 8 + 28 \n" ); document.write( " |