6th Grade Math Chapter 7 Vocabulary

operations which undo each other

a symbol which means "the same"

two sides of an equation remain equal if the same number is subtracted from both sides

two sides of an equation remain equal if the same number is added to each side

a mathematical sentence showing two expressions are equal

to replace a variable with a value that results in a true sentence

the value of a variable that makes an equation true

two sides of an equation remain equal if each side is divided by the same number

two sides of an equation remain equal if each side is multiplied by the same number

contains numbers, variables, and at least one operation