What is wrong with this sentence
It doesn't have a question mark at the end while it is a clearly a question.
If Y(X+8)=Z, then X=
Y(X+8)=Z X+8=Z/Y 8=Z/Y-8
What was the key shift in ideas that made musical successful?
They changed how they used music and dance. Prior to the introduction of musicals, music was seen as a form of comic relief and there was hardly any dancing. Musical today is the combination of acting, singing, and dancing as a way to convey the story.