Solving Equations

Front

What is a Variable?

Back

A letter with an unknown value or amount.

Front

What is the MAIN difference between an Expression and an Equation?

Back

An equation has an equal sign, where an expression does not.

Front

Evaluate the Expression: 4^3 - 14 + 2 (x - 5); x = 35

Back

110

Front

Solve for X: 45 = X - 12

Back

X = 57

Front

Solve for T: T + 14 = 63

Back

T = 49

Front

What is an Expression?

Back

A mathematical phrase that can contain numbers, variables, and operators, but does not have an equal sign.

Front

What is an Equation?

Back

A mathematical statement that asserts the equality of two expressions, containing an equal sign.

Front

What does it mean to 'solve' an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the Order of Operations?

Back

A set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Evaluate the Expression: 3(x + 4) when x = 2

Back

18