Answer:
-43
Explanation:
Steps to PEMDAS:
P: parenthesis - There are no parenthesis in this equation.
E: exponents - There are no exponents in this equation.
M: multiplication 5 x 3 = 15
D: division There is no division in this equation.
A: addition 23 + previous 15 + 19 = 57
S: subtraction Previous answer 57 - 100 = -43
Therefore, the answer is -43.