Let x be how much Larry had in the beginning.
x-42-84=[tex] \frac{1}{5} [/tex]x
We simplify to
[tex] \frac{x}{5} [/tex]=x-126
Then, we multiply each side by 5.
x= 5x-630
5x=x+630
5x-x=630
4x=630
x=[tex] \frac{630}{4} [/tex]
x= 157.5
So, he had $157.50 in the first place.