Answer :

TSO
PEMDAS

P- Parenthesis
E- Exponents
M- Multiplication
D- Division
A- Addition
S- Subtraction

(2+3) + 42 x (5-3)

First do all the parenthesis from left to right

(5) + 42 x (2)

Next do all the multiplication since there is no exponents

5 + 84

Finally we do the addition since there is no division.

89


So 89 is your answer :)
Remember order of operations: PEMDAS Parenthesis: 5 + 42 x 2 Multiplication: 5 + 84 Addition: 89 final answer