Ch 4 Vocab

expressions that contain the same variables to the same power, such as 2n and 5n or 6xy and 4xy

each number within a sequence

two or more equations with the same solution

operation that undoes another, such as addition and subtraction

an equation that contains two operations

an algebraic expression that has no like terms or parentheses

to multiply a sum by a number, multiply each addend by the number outside the parentheses

a mathematical sentence that contains an equal sign

the process of finding a solution to an equation

expressions that have the same value

the numerical part of a term that contains a variable

to use distribution to combine like terms

a value for the variable that makes an equation true

a term without a variable

an expression that contains sums and/or products of variables and numbers