document.write( "Question 923038: alex is x years old. June is 7 years older than alex. In 5 years, their total combined age will be 31 years
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document.write( "Write a linear equation for their total combined age in 5 years \n" );
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Algebra.Com's Answer #559994 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Write an equation for each statement\r \n" ); document.write( "\n" ); document.write( "alex is x years old. \n" ); document.write( "a = x \n" ); document.write( " June is 7 years older than alex. \n" ); document.write( "j = x+7 \n" ); document.write( " In 5 years, their total combined age will be 31 years \n" ); document.write( "(x+5) + (j+5) = 31 \n" ); document.write( "Write a linear equation for their total combined age in 5 years \n" ); document.write( "Replace j with (x+7) \n" ); document.write( "x + 5 + (x+7) + 5 = 31 \n" ); document.write( "2x + 17 = 31 \n" ); document.write( "we can solve it \n" ); document.write( "2x = 31 - 17 \n" ); document.write( "2x = 14 \n" ); document.write( "x = 7 is A's age \n" ); document.write( "then \n" ); document.write( "14 = J's age \n" ); document.write( " |