1 Answer

Ltamajs · Answer 1 · 2019-12-11T16:00:53+0000

The sum of a number n and nine is (n+9),
twice the sum of a number n and nine is 2(n+9),
two less than twice the sum of a number n and nine is 2(n+9)-2.

2(n+9)-2 = 2n+18-2=2n+16

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

No related questions found

Other Questions