Which expression is equivalent to 4 – (2m – 3)?

Subtracting the entire quantity (2m – 3) changes the sign of each term inside the parentheses: 4 – (2m – 3) = 4 – 2m + 3. This is the expression in choice B. Combining the constants gives 7 – 2m, which is equivalent.

AI-written and checked against the verified answer.