document.write( "Question 1110126: The perimeter of a trapezoid is 39a-7. Three sides have the following lengths: 9a, 5a+1, and 17a-6. What is the length of the fourth side. (sorry if the topic/category is incorrect) \n" ); document.write( "
Algebra.Com's Answer #725126 by josgarithmetic(39621)![]() ![]() ![]() You can put this solution on YOUR website! Unknown side, x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solve this for x, in terms of a. \n" ); document.write( " |