Answer:
According to Bodmas rule, if an expression contains brackets ((), {}, []) we have to first solve or simplify the bracket followed by of (powers and roots etc.), then division, multiplication, addition and subtraction from left to right.
Step-by-step explanation:
-4x + 20 +3a - 21
3a - 4x - 1
No.
The correct choice is ...
A. (3, 2)
