Question

1/7-3(3/7n-2/7) combining like terms with rational coefficients. 

Answer 1

Answer:

Expanding form

$\frac{1}{7}-\frac{9}{7}n+\frac{6}{7}$

$1-\frac{9}{7}n$

Step-by-step explanation:

We are given that $\frac{1}{7}-3(\frac{3}{7}n-\frac{2}{7})$

We have to expand the terms and combine like terms

$\frac{1}{7}-\frac{9}{7}n+\frac{6}{7}$

Expanding form

$\frac{1}{7}-\frac{9}{7}n+\frac{6}{7}$

In the given expression like terms are $\frac{1}{7}$and $\frac{6}{7}$

$\frac{1}{7}+\frac{6}{7}-\frac{9}{7}n$

$\frac{1+6}{7}-\frac{9}{7}n$

$\frac{7}{7}-\frac{9}{7}n$

$1-\frac{9}{7}n$

Answer 2

I think it is 9/7n - 5/7