1 4 1 3k 9 )= 6 solve for k July 8, 2019 16 32 64 128 3k−9 4k−6 = 3 1 4 1 ( 3 1 k+9) 3 1 k+9 3 1 k k =6 =24 =15 =5 step 1 step 2 step 3
