Definitions
This type of math problem has no equal sign.
Expression
b - 3 + 6 - 2b
-b + 3
9 + 7x - 11 - 12x
-5x - 2
Is this an expression or equation
x + 31y = 5
Equation
This type of math problem has an equal sign.
Equation
-3p + 6p - 4
-3p - 4
10 + 2b + 8b - 6
10b + 4
These are terms that have the same variables
Like Terms
Another word for numbers used in expressions and equations
Constant
35n - 1 + 46 + 3n
4x - 3x + 2x + 12 - 19
3x - 7
The number before the variable
Coefficient
Another word for the letters used in expressions and equations.
Variable
10x + 36 - 38x - 47
-28x - 11
(3x - 4) + (-2x - 9)
x - 13
When you remove the unnecessary steps in the expression.
Simplifying The Expression
What type of math where numbers and symbols are used to formulate expressions and equations.
Algebra
-5 * (-5b + 4) - 3b
22b - 20
(5x - 4) + (9x + 5)
14x + 1
A mathematical statement that is represented in numbers
Equation