document.write( "Question 243415: Let a + b + c + d = 29 a + c = 13 and a + b + d = 19 what is the value of a ? \n" ); document.write( "
Algebra.Com's Answer #178360 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Let a + b + c + d = 29 a + c = 13 and a + b + d = 19 what is the value of a ? \n" ); document.write( "---------- \n" ); document.write( "c = 13-a \n" ); document.write( "b+d = 19-a \n" ); document.write( "----------- \n" ); document.write( "a + (13-a) + (19-a) = 29 \n" ); document.write( "-a + 32 = 29 \n" ); document.write( "-a = -3 \n" ); document.write( "a = 3 \n" ); document.write( " \n" ); document.write( " |