Question

Which expression can be used to represent the phrase “Lamar decreased his collection of cards by seven”?
x minus 7
7 minus x
x + 7
7 x

Answer 1

The phrase “Lamar decreased his collection of cards by seven” indicates that you start with a certain number of cards (represented by \( x \)) and subtract seven from that amount. Thus, the expression that represents this situation is:

**\( x - 7 \)**

So, the correct answer is **x minus 7**.