Adding Like Terms
Combine: 3x + 2x
5x
Simplify: 7x − 2x
5x
Simplify: 2(x + 3)
2x+6
Simplify: x + x + 2
2x+2
Terms with the same variable and exponent
Like terms
Combine: 5a + 7a
12a
Simplify: 9a − 4a
5a
Simplify: 4(x − 5)
4x-20
Simplify: 3x + 4x − x
6x
A number multiplied by a variable
Coefficient
Combine: 4y + y + 6y
11y
Simplify: 12y − 5y + y
8y
Simplify: -3(x + 2)
-3x-6
Simplify: 2(x + 4) + x
3x+8
A mathematical sentence with an equals sign
Equation
Combine: 10m + 3 − 4m
6m+3
simplify: 15m − 6m − 2
9m-2
Simplify: 5(2x + 1)
10x+5
Simplify: 3(x − 2) + 2x
5x-6
The process of making an expression easier to understand
Simplifying
Combine: 8x + 2y + 5x
13x+2y
Simplify: 10x − 3x − 4x
3x
Simplify: -2(3x − 4)
-6x + 8
Simplify: 4(x + 3) − 2x
2x+12
A rule used to remove parentheses
Distributive law