What do you mean? Question not clear.
Answer:
14
Step-by-step explanation:
Substitute the given values for a and b into the expression and evaluate
a + b = 43 + (- 29) = 43 - 29 = 14
The answer is -6 because if you follow PEMDAS, it goes Parenthesis, Exponents, Multiplication & Division, Addition & Subtraction, left to right