document.write( "Question 831654: This should be super easy, but I am not doing something right, however I cannot figure out what it is. I know that the answer is 100 (from creating a table), but I need to show my work algebraically. When I do it algebraically I can't get the right answer for X. Please help!!!!\r
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document.write( "$8(X)=$200+$10(X-40) \n" );
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Algebra.Com's Answer #501532 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! EDIT: THIS solution contained a mistake, now been fixed! \n" ); document.write( "8X=200+10(X-40), dropping the dollar symbol, focusing just on the numbers without money unit; \n" ); document.write( "8X=200+10X-400, Distributive Property \n" ); document.write( "0=200-400+2X, Additive Inverse of 8X and Commutative Property for Addition \n" ); document.write( "2X-200=0, (.......what's my reason?) \n" ); document.write( "2X=200, \n" ); document.write( "X=100, |