.

2. Algebraic Expression –
a mathematical phrase that can
contain numbers, variables (like x or y)
and operators (like +, -, x, ÷ ).
Like Terms –
terms that have the same variables
and powers. (The coefficients do not
need to match.)

3. Distributive Property –
When we use the distributive
property, we are multiplying each
term inside the parentheses with the
term outside of the parentheses.

4. First, distribute to get rid of all
parentheses.
Then, combine like terms.

5. Simplify each expression.
3(4n + 2) + n
7x – (2x – 3) + 1

6. Simplify each expression.
5(3x + 1) – 4x
4r – 6(1 + r)

7. -2(m + 5) + 6m – 1
4(x + 7) – 2(1 + 5x)

8. -5(2 – b) + 3b – 7
2(3k + 6) – 4(1 – 2k)