Step-by-step explanation:
I assume we are simplifying
1) -6k+7k = k
2) 12r-8-12 = 12r-20
3) n-10+9n-3 = 10n-13
4) -4x-10x = -14x
Answer:
This was fun if you have anymore of these feel free to message me on here if you need help
Answer:


Step-by-step explanation:
Given

Required
Express in different ways
The first way is:

Subtract 2 from both sides

------ (1)
Another way is:

Subtract 3 from both sides

--- (2)