Solving Equations (one, two and multi-step)

Front

What is the first step to solve the equation x - 5 = 7 - 2x?

Back

Add 2x to both sides of the equation.

Front

Solve for a: 9 + a = -12

Back

a = -21.

Front

What is the next step to solve the equation 3x - 5 = 7?

Back

Add 5 to both sides of the equation.

Front

What is the next step to solve the equation 5k + 6 = -9?

Back

Subtract 6 from both sides of the equation.

Front

Describe the first step in solving x + 2 = -10.

Back

Subtract 2 from both sides of the equation.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single operation, such as addition, subtraction, multiplication, or division.

Front

What is a two-step equation?

Back

A two-step equation requires two operations to solve for the variable.

Front

What is a multi-step equation?

Back

A multi-step equation involves more than two operations to isolate the variable.