To solve for \( u \) in the equation:
\[ 2 = u + 4 \]
we can isolate \( u \) by subtracting 4 from both sides:
\[ 2 - 4 = u \]
This simplifies to:
\[ -2 = u \]
So, the solution for \( u \) is:
\[ u = -2 \]
2=u+4
To solve for \( u \) in the equation:
\[ 2 = u + 4 \]
we can isolate \( u \) by subtracting 4 from both sides:
\[ 2 - 4 = u \]
This simplifies to:
\[ -2 = u \]
So, the solution for \( u \) is:
\[ u = -2 \]