College Algebra was written by and is associated to the ISBN: 9780321716811. This full solution covers the following key subjects: . This expansive textbook survival guide covers 68 chapters, and 5502 solutions. Since the solution to 1 from 9.4 chapter was answered, more than 213 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: College Algebra, edition: 9. The full step-by-step solution to problem: 1 from chapter: 9.4 was answered by , our top Math solution expert on 03/19/18, 03:33PM. The answer to “2 + 4 + 6 + + 2n = n1n + 12” is broken down into a number of easy to follow steps, and 12 words.