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Solve for
r.

3r=12
Answer:
r=

Solve for $\mathrm{r}$ . $\newline$ $3 r=12$ $\newline$ Answer: $r=$

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Solve one-step multiplication and division equations with whole numbers

Full solution

Q. Solve for

\mathrm{r}

.

\newline

3 r=12

\newline

Answer:

r=

Isolate $r$ by dividing: We are given the equation $3r = 12$ and we need to solve for $r$ . To isolate $r$ , we should divide both sides of the equation by $3$ .
Calculate division: Dividing both sides by $3$ , we get $r = \frac{12}{3}$ .
Substitute $r$ back: Calculating the division, $12$ divided by $3$ equals $4$ . So, $r = 4$ .
Verify solution: We check our math by substituting $r$ back into the original equation to ensure that it holds true. $3 \times 4 = 12$ , which is correct.

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