Andrea gave away ten ballpens.

One hundred twenty pupils of San Roque Elementary School joined the tree planting.

Marlon is x years old. In 10 years, he will be 24 years old.

Lucy has 12 balloons. Nora has x balloons. Find the sum of these balloons.

Riza has a certain amount of money. She bought a magazine for ₱50.00. How much money had she left?

Manuel has ₱100.00. He bought a cap for a certain amount of money, how much money had he left?

There were 48 pupils. They were divided into x groups. How many pupils were in a group?

A large buko pie with 16 slices is shared among x students so that each of the student’s share is 4.

Aling Minda, when asked about her age, replies, “ I am 5 years older than twice the age of my oldest child.” Express her age in algebraic equation if her age now is 65.

Mr. and Mrs. Delos Reyes own a pet shop. They had 105 customers this week, 18 fewer than last week. What is an algebraic equation for the number of customers they had last week?

Find the unknown in the equation, 3x + 5 = 35

What is the missing value in the equation                                    8 + ___ = 20 – 7?

What is the value of   9b + 3 if b = 5?

What is the value of x in the equation 5x = 10 + 15?

The product of x and 7 is 42. The value of x is ______.

Seven more than x is 9. The value of x is ______.

Kathryn has some apples. Jim has 15 oranges. If together they have 34 apples, how many apples have Kathryn?

How old is John if he was 39 years old nineteen years ago?

Twenty-four is three times a number increased by 9. What is the missing number?

Evaluate 2b + 10 if b= 65