Question

2n-9 substract from 18n+4
Please explain step by step. Thanks

Answer 1

-16n - 13

Explanation:

(2n-9) - (18n + 4)

1) Apply rule: (a) = a

= 2n - 9 - (18n + 4)

2) Apply the distributive law

= 2n - 9 - 18n - 4

3) Group like terms

= 2n - 18n - 9 - 4

4) Subtract the numbers

= 2n - 18n - 13

5) Add similar elements

-16n - 13