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What value of $u$ is a solution to this equation? $\newline$ $3u = 27$ $\newline$ Choices: $\newline$ (A) $u = 9$ $\newline$ (B) $u = 11$

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Which x satisfies an equation?

Full solution

Q. What value of

u

is a solution to this equation?

\newline

3u = 27

\newline

Choices:

\newline

(A)

u = 9

\newline

(B)

u = 11

Divide by $3$ : To find the value of $u$ that solves the equation, we need to isolate $u$ on one side of the equation. We can do this by dividing both sides of the equation by $3$ . $\newline$ Calculation: $\frac{3u}{3} = \frac{27}{3}$
Calculate u: After dividing both sides by $3$ , we get the value of u. $\newline$ Calculation: $u = 9$
Check answer choices: Now we need to check the answer choices to see which one matches our solution. $\newline$ Choices: $\newline$ (A) $u = 9$ $\newline$ (B) $u = 11$ $\newline$ Since our calculation gave us $u = 9$ , we can see that choice (A) is the correct answer.

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