document.write( "Question 1027851: matthew is 8 years older than twice daniel's age. the sum of twice matthew's age and four times daniel's age is 176. how old are matthew and daniel \n" ); document.write( "
Algebra.Com's Answer #643150 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "matthew is 8 years older than twice daniel's age \n" ); document.write( "M = 8 + 2D \n" ); document.write( "the sum of twice matthew's age and four times \n" ); document.write( "daniel's age is 176. \n" ); document.write( "2M + 4D = 176 \n" ); document.write( "Replace M with (8 + 2D) from top equation. \n" ); document.write( "2(8 + 2D) + 4D = 176 \n" ); document.write( "16 + 4D + 4D = 176 \n" ); document.write( "8D = 176 - 16 \n" ); document.write( "8D = 160 \n" ); document.write( "D = 20 \n" ); document.write( "Daniel is 20 years old \n" ); document.write( "Matthew is 48 years old \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |