document.write( "Question 203207: Hello:
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document.write( "I am trying to solve this problem, but i am having a hard time setting up the equation. if you can help me that would be great.\r
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document.write( "Alex is 8 years younger than his sister. His mother is 6 years more than twice of his sister’s age. His mother is 42 years old.
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document.write( "Find the ages of Alex and his sister. \n" );
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Algebra.Com's Answer #153314 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Alex is 8 years younger than his sister. \n" ); document.write( "His mother is 6 years more than twice of his sister’s age. \n" ); document.write( "His mother is 42 years old. \n" ); document.write( "Find the ages of Alex and his sister. \n" ); document.write( ": \n" ); document.write( "Let a = Alex's present age \n" ); document.write( "Let s = sister's present age \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement: \n" ); document.write( "\"Alex is 8 years younger than his sister.\" \n" ); document.write( "a = s-8 \n" ); document.write( ": \n" ); document.write( "\"His mother is 6 years more than twice of his sister’s age. His mother is 42 years old.\" \n" ); document.write( "2s + 6 = 42 \n" ); document.write( "2s = 42 - 6 \n" ); document.write( "2s = 36 \n" ); document.write( "s = \n" ); document.write( "s = 18 is the sisters age \n" ); document.write( ": \n" ); document.write( "I'll let you find Alex's age \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |