Expressions and One-Step Equations

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single step by performing the same operation on both sides.

Front

Solve the equation: x - 5 = 15

Back

x = 20

Front

Solve the equation: x + 12 = 20

Back

x = 8

Front

Solve the equation: x - 12 = 2

Back

x = 14

Front

Identify the variable in the expression: 4^2 + 2x - 7

Back

The variable is 'x'.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

Solve the equation: x + 7 = 12

Back

x = 5