To eliminate the \(2t\) on the left side while keeping the equation balanced, you can subtract \(2t\) from both sides.
Starting with the system of equations:
- \( h = 4 + 2t \) (Height of Plant A)
- \( h = 8 + 2t \) (Height of Plant C)
Set the two equations equal to each other because they both represent \(h\):
\[ 4 + 2t = 8 + 2t \]
Now, subtract \(2t\) from both sides:
\[ 4 + 2t - 2t = 8 + 2t - 2t \]
This simplifies to:
\[ 4 = 8 \]
Since \(4\) does not equal \(8\), this confirms that there is no solution to the system, meaning Plants A and C will never be the same height.