There is an app that will help for these types of questions called, "Showmath."
Substitute for x.
g(20)= 2(20-4)
g(20)=32.
x=32.
~god bless you!
Fraction strips are rectangular pieces (electronic or copied on paper strips) to represent different parts of the same whole. They can be cut apart and manipulated to see how various parts can be added together to make the whole or compare different fractional amounts for equivalency
