Combining Like Terms With Rational Coefficients

Like terms have the same variables and the same exponents.

• true

• false

Combine like terms to simplify: a + 2a + 7

• 9a

• 3a + 7

• 2a + 7

• 9

Combine like terms to simplify: 6m + m - 4m

• 10m

• 3m

• 2m

• 11m

things that are being added or subtracted in an expression

• term

• variable

• factor

• coefficient

To combine like terms in an expression, the terms must have the same ​ ​ (a)   and ​ (b)  

• variable

• exponent

• constant

• coefficients

• coefficient

Write an equivalent expression: x + 13y + 8y + 4x

Mathematical Equivalence

ON

Simplify the expression by COMBINING LIKE TERMS.

Mathematical Equivalence

ON

Terms that have the same variables and same power.

• Like Terms

• Coefficients

• Variables

• Constants

A number in front of a variable that is multiplied.

• Constant

• Coefficient

• Term

• Like Term

5a + 2a + 2a 

• 9a

• 8a

• 7a