document.write( "Question 1194604: Form a linear equation between
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document.write( " a) Age of your father and your age.
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document.write( " b) Age of your grandfather and father.
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document.write( " c) Your age and your mother's age \n" );
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Algebra.Com's Answer #826842 by Theo(13342)![]() ![]() You can put this solution on YOUR website! let x = your age \n" ); document.write( "if your father is 25 years older than you, then x + 25 is your father's age. \n" ); document.write( "if your mother is 20 years older than you, then x + 20 is your mother's age. \n" ); document.write( "if your grandfather is 30 years older than your father, then x + 25 + 30 = x + 55 is your grandfather's age. \n" ); document.write( "you have several equations that you can form. \n" ); document.write( "y = x + 25 makes y equal to your father's age. \n" ); document.write( "y = x + 20 makes y equal to your mother's age. \n" ); document.write( "y = x + 55 makes y equal to your grandfather's age. \n" ); document.write( "all of their ages are made in relationship to your age. \n" ); document.write( "if you know your age, then you know their ages. \n" ); document.write( "answers to your questions would be:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a) Age of your father and your age. \n" ); document.write( "y = x + x + 25 which becomes y = 2x + 25. \n" ); document.write( "if you are 20, then your father is 45 and the sum of your age and your father's age is 65. \n" ); document.write( "y = 2x + 25 becomes y = 40 + 25 which becomes y = 65.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b) Age of your grandfather and father. \n" ); document.write( "y = x + 25 + x + 55 which becomes y = 2x + 80. \n" ); document.write( "if you are 20, then your father is 45 and your grandfather is 75 and the sum of their ages is 45 + 75 = 120. \n" ); document.write( "y = 2x + 80 becomes y = 40 + 80 which becomes y = 120.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "c) Your age and your mother's age \n" ); document.write( "y = x + x + 20 which becomes y = 2x + 20. \n" ); document.write( "if you are 20, then your mother is 40 and the sum of your age and her age is 60. \n" ); document.write( "y = 2x + 20 becomes y = 40 + 20 which becomes y = 60.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the equation of y is solved in relationship to x, where x represents your age. \n" ); document.write( "let me know if you have any questions. \n" ); document.write( "theo\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |