To solve for \( z \) in the equation \( 20 = z + 1 \), you can follow these steps:
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Subtract 1 from both sides of the equation:
\[ 20 - 1 = z + 1 - 1 \]
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Simplifying both sides gives:
\[ 19 = z \]
So, the solution is:
\[ z = 19 \]
Solve for z.
20 = z + 1
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