How do you simplify \frac { 1} { 7} - 3( \frac { 3} { 7} n - \frac { 2} { 7} )?

1 Answer
Oct 25, 2017

(7- 9n)/7

Explanation:

Combine numbers with common denominators

1/7-3*((3n-2)/7)

Distribute the 3

1/7-((9n-6)/7)

Again combine numbers with common denominators

(1 - 9n+6)/7

Simplify

(7- 9n)/7