x - 4 = -12
What is x = - 8?
4x - 1 = 15
What is x = 4?
There are 47 dogwood trees currently in the park. Park workers will plant some number of dogwood trees today. When the workers are finished there will be 59 dogwood trees in the park.
What is 47 + x = 59?
The sum of a number and zero is that number.
What is the Identity Property of Addition?
This falling fruit supposedly inspired Sir Isaac Newton to discover the law of gravity
What is an apple?
y + 1.5 = 3.7
What is y = 2.2?
-3x + 8 = 20
What is x = -4?
Your piggy bank starts off with 3 dollars, and each day you put 2 dollars in it. After a certain number of days, there are 19 dollars in your piggy bank.
What is $3 + $2d = $19?
The sum of a number and its inverse is zero.
What is the Additive Inverse Property of a Number?
This "marine" is the largest animal living today
What is the blue whale?
-12z = 48
What is z =- 4?
-2a + 5 = 18
What is a = -(13/2)?
Mary sold half of some number of her comic books and then bought 6 more. She now has 18.
What is (1/2)c + 6 = 18
a x (1/a) = 1
What is the Multiplicative Inverse of a Number?
The time it takes light from the sun to reach the Earth
What is 8 minutes?
(3/4)n = 9
What is n = 12?
(2/3)z - (1/3) = (7/3)
What is z = 4?
You take a bus to visit your friend in a different city. The distance between two cities is 200 kilometers, the bus drives 80 kilometers per hour, and you have been traveling for some number of hours. Your bus is 20 kilometers away from your friend’s city.
What is 20 = 200 - 80h?
If a = b; then a / c = b / c
What is the Division Property of Equality?
The first person to land on the moon
Who was Neil Armstrong?
(12/5)t = 20/7
What is 25/21 or 1(1/4)?
-(4/7)k - 9 = 1 (Simplify your answer)
What is -(35/2)?
The sum of three consecutive numbers is 135.
What is x + (x + 1) + (x + 2) = 135?
a + b - c = b + a - c
What is the Commutative Property of Addition?
The first president of the Confederate States during the Civil War
Who was Jefferson Davis?