4.20 Solving One-Step Equations with Substitution

Front

What is a one-step equation?

Back

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

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the goal when solving for a variable in an equation?

Back

The goal is to isolate the variable on one side of the equation to determine its value.

Front

What operation would you use to solve the equation 9.2 - m = 3.2?

Back

You would add m to both sides and then subtract 3.2 from both sides.

Front

What is the solution to the equation 9n = 27?

Back

The solution is n = 3.

Front

How do you isolate the variable in the equation n - 5 = 22?

Back

You add 5 to both sides of the equation.

Front

What is the value of b in the equation 6b = 30?

Back

The value of b is 5.

Front

How do you solve the equation x + 12 = 20?

Back

You subtract 12 from both sides of the equation.

Front

What is the first step to solve the equation 4 + x = 10?

Back

Subtract 4 from both sides of the equation.

Front

What does substitution mean in the context of solving equations?

Back

Substitution means replacing a variable with a known value to simplify the equation.