Definitions
This type of math problem has no equal sign.
Expression
9 + 7x - 11 - 12x
-5x - 2
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
6n + 3n - 5m + 12 + 9m
6n+3n+9m-5m+12
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
2y+6x+12+4y-18y
6x-18y+4y+2y +12
4x - 3x + 2x + 12 - 19
3x - 7
The number before the variable
Coefficient
Another word for the letters used in expressions and equations.
Variable
n − 10 + 9n − 3
9n + n - 10 -3
(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
19q - 15 - 2q - 10 +10x -4y +11x +3y-2
19q - 2q +10x +11x -4y +3y -15 -10 -2
(5x - 4) + (9x + 5)
14x + 1
A mathematical statement that is represented in numbers
Equation