Answer:
a. 10+5-19
b. 15-19=-4
Explanation:
This problem can be solved with a very simple rule that is, Bodmas stands for "brackets, orders, division, multiplication, addition, subtraction". if integers contain brackets ((), {}, []) then first solve bracket then powers and roots etc., then division, multiplication, addition and subtraction from your left to right.
PEMDAS is very similar to BODMAS and used in the USA.
PEMDAS means Parentheses, Exponents (powers and roots), Multiplication and Division, Addition and Subtraction.
