-10= -b/4 What Does "b" Equal?
\(-10= \frac{-b}{4}\)Common denominator is 4\(4(-10)= \frac{ ot 4(-b)}{ ot 4}\)\(4(-10)=-b\)\(-40=-b\)Multiply by 1\(b=40\)The answer is: b=40
\(\boxed{-10= \frac{-b}{4} } \ \to -b=-10*4=\boxed{-40} \\ \\ \\\\\huge\text{The answer is -b=-40}\)