Questions: Solve for (r). (r-s-1=P ) (r=)

Transcript text: Solve for $r$. \[ \begin{array}{l} r-s-1=P \\ r=\square \end{array} \]

Solution

Step 1: Isolate $r$ on one side of the equation

To solve for $r$, we start with the equation $r \pm s + k = P$.

Step 2: Adjust for the sign before $s$

Given that the sign before $s$ is negative, we add $s$ to both sides and subtract $k$ to isolate $r$: $r = P + s - k$.

Step 3: Solve for $r$

Substituting the given values, we get $r = 1 + 2 - 1 = 2$.

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