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Select the expressions that are equivalent to $4j + 8j$ . $\newline$ Multi-select Choices: $\newline$ (A) $2j + 2j + 8j$ $\newline$ (B) $j + 12$ $\newline$ (C) $j \times 12$ $\newline$ (D) $13j$

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Simplify rational expressions

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Q. Select the expressions that are equivalent to

4j + 8j

.

\newline

Multi-select Choices:

\newline

(A)

2j + 2j + 8j

\newline

(B)

j + 12

\newline

(C)

j \times 12

\newline

(D)

13j

Simplify Expression: Simplify the expression $4j + 8j$ . $\newline$ Calculation: $4j + 8j = 12j$
Compare with Choices: Compare the simplified expression with each choice. $\newline$ (A) $2j + 2j + 8j = 2j + 2j + 8j = 12j$
Check Choice (A): Check choice (B). $\newline$ (B) $j + 12$ is not equivalent to $12j$ because it represents $j + 12$ , not $12$ times $j$ .
Check Choice (B): Check choice (C). $\newline$ (C) $j \times 12 = 12j$
Check Choice (C): Check choice (D). $\newline$ (D) $13j$ is not equivalent to $12j$ because it represents $13$ times $j$ , not $12$ times $j$ .

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