**Like terms** are **terms** that contain the same variables raised to the same power. Only the numerical coefficients are different. **Terms** obey the associative property of multiplication - that is, **xy and yx** are **like terms**, as **are xy**2 and y2x. The expressions on the right have had their **like terms** combined.

Also, what is a like term?

**Like terms** are **terms** that contain the same variables raised to the same power. Only the numerical coefficients are different. In an expression, only **like terms** can be combined. We combine **like terms** to shorten and simplify algebraic expressions, so we can work with them more easily.

What is a like term in an equation?

A term is a constant or a variable in an expression. In the **equation** 12+3x+2x^{2}=5x-1, the **terms** on the left are 12, 3x and 2x^{2}, while the **terms** on the right are 5x, and -1. Combining **Like Terms** is a process used to simplify an expression or an **equation** using addition and subtraction of the coefficients of **terms**.

Do like terms have to have the same exponent?

You cannot combine the x^{2} and 2x, because the first **term has** an **exponent** (2) and the second one **does** not **have** an **exponent**; therefore, you cannot add them together! When combining **like terms**, you must **make** sure than all the variables, and **exponents**, are the **same** before you add them together.

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