7n-(4n-3) Which of the following is equivalent to the given expression? Choose 1 answer: (A) 3n+3 (B) 3n-3 (c) 11 n+3 (D) 11 n-3

Distribute the negative sign: Distribute the negative sign inside the parentheses. 7n - (4n - 3) becomes 7n - 4n + 3 because the negative sign in front of the parentheses changes the signs of the terms inside the parentheses.Combine like terms: Combine like terms. Now we have 7n - 4n + 3. Since 7n and -4n are like terms, we can combine them. 7n - 4n = 3n So, the expression becomes 3n + 3.

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7n-(4n-3)
Which of the following is equivalent to the given expression?
Choose 1 answer:
(A)
3n+3
(B)
3n-3
(c)
11 n+3
(D)
11 n-3

$7 n-(4 n-3)$ $\newline$ Which of the following is equivalent to the given expression? $\newline$ Choose $1$ answer: $\newline$ (A) $3 n+3$ $\newline$ (B) $3 n-3$ $\newline$ (C) $11 n+3$ $\newline$ (D) $11 n-3$

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Math Problems

Grade 7

Identify equivalent linear expressions I

Full solution

7 n-(4 n-3)

\newline

Which of the following is equivalent to the given expression?

\newline

Choose

1

answer:

\newline

(A)

3 n+3

\newline

(B)

3 n-3

\newline

(C)

11 n+3

\newline

(D)

11 n-3

Distribute the negative sign: Distribute the negative sign inside the parentheses. $7n - (4n - 3)$ becomes $7n - 4n + 3$ because the negative sign in front of the parentheses changes the signs of the terms inside the parentheses.
Combine like terms: Combine like terms. $\newline$ Now we have $7n - 4n + 3$ . Since $7n$ and $-4n$ are like terms, we can combine them. $\newline$ $7n - 4n = 3n$ $\newline$ So, the expression becomes $3n + 3$ .