Question

Jerome’s teacher gave him a homework assignment on solving equations. Since he’s been thinking about saving for a used car, he decided to use the assignment as an opportunity to model a savings plan.

He already has $500, and he plans to save $375 every month. To model the situation, he created this equation, where y represents the total amount saved for the car and x represents the number of months since he started saving:

500 + 375x = y.

He then solved the equation to determine how many months he would need to save to have enough to purchase the car. Review his work, and select the error.

Answer 1

"Addition property of Equality" was his error.

Explanation:

The work shows he used the subtraction property of equality

Answer 2

Addition property of Equality

Explanation:

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