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If $3r=18$ , what is the value of $6r+3$ ? $\newline$ A) $6$ $\newline$ B) $27$ $\newline$ C) $36$ $\newline$ D) $39$

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Write and solve inverse variation equations

Full solution

Q. If

3r=18

, what is the value of

6r+3

?

\newline

A)

6

\newline

B)

27

\newline

C)

36

\newline

D)

39

Isolate $r$ : Given the equation $3r = 18$ , we need to find the value of $r$ . $\newline$ Divide both sides of the equation by $3$ to isolate $r$ . $\newline$ $r = \frac{18}{3}$ $\newline$ $r = 6$
Find $r$ : Now that we have the value of $r$ , we can find the value of $6r + 3$ . Substitute $r = 6$ into the expression $6r + 3$ . $6r + 3 = 6(6) + 3$ $6r + 3 = 36 + 3$ $6r + 3 = 39$

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