Question

What is the value of the expression –c + d when c = –14.9 and d = –2.6?

Answer 1

$c=-14.9\to-c=-(-14.9)=14.9\\d=-2.6\\\\-c+d=14.9+(-2.6)=14.9-2.6=\huge\boxed{12.3}\leftarrow\boxed{c}$