Which expression is equivalent to 4(a + 3)? Choices: (A)4a + 12 (B)12a + 4 (C)7a (D)12a

Distribute 4: Distribute the 4 across the terms inside the parentheses. 4(a + 3) = 4 * a + 4 * 3Multiply terms: Multiply 4 by each term inside the parentheses. 4 * a = 4a 4 * 3 = 12Combine results: Combine the results of the multiplication. 4a + 12Match with choices: Match the result with the given choices. The expression 4a + 12 matches choice (A).

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Which expression is equivalent to $4(a + 3)$ ? $\newline$ Choices: $\newline$ (A) $4a + 12$ $\newline$ (B) $12a + 4$ $\newline$ (C) $7a$ $\newline$ (D) $12a$

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Math Problems

Grade 7

Identify equivalent linear expressions I

Full solution

Q. Which expression is equivalent to

4(a + 3)

\newline

Choices:

\newline

(A)

4a + 12

\newline

(B)

12a + 4

\newline

(C)

7a

\newline

(D)

12a

Distribute $4$ : Distribute the $4$ across the terms inside the parentheses. $4(a + 3) = 4 \times a + 4 \times 3$
Multiply terms: Multiply $4$ by each term inside the parentheses. $\newline$ $4 \times a = 4a$ $\newline$ $4 \times 3 = 12$
Combine results: Combine the results of the multiplication. $4a + 12$
Match with choices: Match the result with the given choices. $\newline$ The expression $4a + 12$ matches choice $(A)$ .