X: 5X = 20
What is 4
Sarah has $20, and she wants to buy a toy that costs X dollars.
What is 20 - X?
"ax + b = c," where "a," "b," and "c" are constants.
What is a linear equation?
X: 8X = 64
What is 8
Jane's age is 4 years less than twice Tom's age.
What is 2X - 4
The number that does not contain the variable.
What is a Constant?
X: X/3 = 9
What is 27
A car rental company charges $30 per day plus an additional $0.15 per mile driven. If a customer's bill is $75, how many miles (X) did they drive?
What is $75 = $30 + ($0.15 * X)
The value or values of the variable that make the equation true.
What is a solution?
X: 2X - 7 = 11
What is 9
The sum of two consecutive even integers is 46. Find the smaller integer (X).
What is X + (X + 2) = 46
The process of moving all terms containing the variable to one side of the equation and constants to the other side to solve for the variable.
What is Isolate?
X: 4X + 12 = 20
What is 2
A bakery sold twice as many croissants as muffins, and the total number of croissants and muffins sold was 36. If X represents the number of muffins sold, how many croissants were sold?
What is X (number of muffins) + 2X (number of croissants) = 36
Operations that "undo" each other, such as addition and subtraction or multiplication and division.
What are Inverse Operations?