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Solve for $r$ . $\newline$ $2r - 1 = 1$ $\newline$ $r =$ _____

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Solve two-step equations without parentheses

Full solution

Q. Solve for

r

.

\newline

2r - 1 = 1

\newline

r =

_____

Add $1$ to isolate variable: Add $1$ to both sides of the equation to isolate the term with the variable $r$ . Starting with the equation $2r - 1 = 1$ , we add $1$ to both sides to get: $2r - 1 + 1 = 1 + 1$ This simplifies to: $2r = 2$
Divide by $2$ to solve: Divide both sides of the equation by $2$ to solve for $r$ . Now we have $2r = 2$ , so we divide both sides by $2$ to isolate $r$ : $\frac{2r}{2} = \frac{2}{2}$ This simplifies to: $r = 1$

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