# Boundary Value Problems/Introduction to BVPs/IVP-student-1/Why did I drop the "absolute value" operation

The answer ${\displaystyle y}$ will always be either ${\displaystyle y<0}$ or ${\displaystyle y>0}$ depending on the initial value ${\displaystyle y(0)}$. Since ${\displaystyle y(0)=3}$ and the requirement that ${\displaystyle y>0}$ we have ${\displaystyle |y|=y}$ for ${\displaystyle -\infty .