PA Review for Expressions & Equations Test 1

to replace a variable with a value, and simplify

What is the solution to: 7x + 8 = 3(x - 4)

What is the solution to: -4.4x - 5.3x = 3.3x + 5(x + 3.6)

to perform operations on an equation or inequality until the variable is by itself on one side

a term that has a fixed value and does not contain a variable

mathematical sentence; statement of equivalent expressions

a mathematical phrase; no equal sign

a symbol, such as a letter, that represents a number

the numerical factor of a term containing a variable

each addend in an expression; separated by + or - signs