Addition and Subtraction Equations Answers

Noam solved the equation for k using the following calculations.What error, if any, did he make?

Which of the following equations are equivalent? Select three options.

Emma buys yards of blue fabric and some yellow fabric at a store. She buys a total of yards of fabric. The equation can be used to represent this situation, where y is the number of yards of yellow fabric she buys. How much yellow fabric does she buy?

How can be solved for x in one step?

There are two routes Lucas can take to walk to school. Route A is miles and is mile longer than route B. The equation can be used to represent this situation, where b is the length of route B. How many miles will Lucas walk if he takes route B?

How can be solved for x in one step?

Kaitlyn solved the equation for x using the following calculations.What error, if any, did she make?

Jalisa earned $71.25 today babysitting, which is $22.50 more than she earned babysitting yesterday. The equation can be used to represent this situation, where d is the amount Jalisa earned babysitting yesterday. Which is an equivalent equation that can be used to find the amount Jalisa earned babysitting yesterday?

A leak in a pool causes the height of the water to decrease by 0.25 foot over 2 hours. After the leak is fixed, the height of the water is 4.75 feet. The equation can be used to find x, the original height of the water in a pool. What was the original height of the water in the pool in feet?

After the bank cashed a check Maureen wrote for $60, her balance was . The equation can be used to represent this situation, where b is Maureen’s balance, in dollars, before the check was cashed. Maureen attempted to solve the equation using the steps below.What error, if any, did Maureen make?