Writing and Solving Linear Equations

You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost?

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

The sum of three consecutive numbers is 72. What are the smallest of these numbers?

The sum of three consecutive even numbers is 48. What are the smallest of these numbers?

Maria bought seven boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. With how many did she start?

One angle is five less than three times the size of another angle. Together they have a sum of ˚. What are the sizes of each angle?

Given a right triangle, find the size of the angles if one angle is ten more than four times the other angle and the third angle is the right angle.

A pair of congruent angles are described as follows: the measure of one angle is three more than twice a number and the other angle’s measure is. less than three times the number. Determine the size of the angles.

A triangle has angles described as follows: the first angle is four more than seven times a number, another angle is four less than the first and the third angle is twice as large as the first. What are the sizes of each of the angles?

One angle is one less than six times the size of another. The two angles are complementary angles. Find the size of each angle.