Understanding Expressions and Equations

$$3^5$$

$$3^6$$

$$3^9$$

$$3^{15}$$

$$4x + 5$$

$$7 - 3$$

$$2x + 3 = 11$$

$$x^2 + 2x$$

Yes, they are equivalent.

No, they are not equivalent.

They are equivalent only when $$x = 0$$ .

They are equivalent only when $$x = 1$$ .

Associative Property

Commutative Property

Distributive Property

Identity Property

$$5^5$$

$$5^6$$

$$5^{10}$$

$$5^{15}$$

$$x + 7 = 10$$

$$3x - 5$$

$$y = 2x + 3$$

$$4 = 2 + 2$$

Yes, they are equivalent.

No, they are not equivalent.

They are equivalent only when $$x = 0$$ .

They are equivalent only when $$x = 1$$ .

Commutative Property

Associative Property

Distributive Property

Identity Property

$$2^2 \times 3^2$$

$$2 \times 3^2$$

$$2^3 \times 3$$

$$2 \times 3 \times 6$$

$$5x + 3$$

$$7 - 2$$

$$x^2 + 4 = 20$$

$$3x$$