Addition and Subtraction Equations Answers

What is the solution to the equation?

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?

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

How can be solved for x in one step?

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

Pablo created the bar model and equation after paying a $9.79 lunch bill with a $20 bill. What is the value of c, and what does it represent in this problem?

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?

Kala bought two types of cheese at a deli. She bought 0.50 pound of American cheese and 1.25 pounds of Swiss cheese. The bar diagram and equation below represent Kala’s purchase, where p represents the total number of pounds of cheese she bought. What is the total number of pounds of cheese Kala bought?

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?