A symphony orchestra typically uses twice as many violins as cellos. If 36 violins are used, solve the equation 2x = 36 to find the number of cellos used.

Which graph represents the solutions of the inequality d < 23?

Jake finished 9 math problems on a homework assignment of 15 problems. Which equation can be used to find n, the number of problems Jake has left to do?

Elizabeth is 64 inches tall, which is 9 inches taller than her brother Mac. Solve the equation m + 9 = 64 to find m, Mac’s height in inches.

Horace bought 84 pizzas for a school awards banquet. There will be 12 tables set up for the banquet, and Horace wants to divide the pizzas evenly between the tables. He thinks that each table will have 7 pizzas. Use the equation 84 ÷ p = 12

What value of x makes the following equation true? x - 20 = 4

x - 3 = 10

What step should be taken to get the variable alone in the equation shown? 7x = 84

Write an algebraic equation that represents the total weight (W) of eight boxes of blackberries, if b equals the weight of one box of blackberries.

Kelly is on the rowing team. This week, Kelly’s goal is to row 16 miles. So far, she has rowed 9 3/8 miles. Use the equation 9 3/8 + r = 16 to find how many more miles Kelly needs to row.

The record for a city’s greatest 1-day rainfall is 8.2 inches. Write an inequality to represent a rainfall that would beat this record.

What value of p makes the following equation true? p ➗15 = 3