2.5 & 2.6 Review: Solve 1 Step Equations

Front

What is a one-step equation?

Back

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

Front

Solve for x: x + 5 = 12

Back

x = 7

Front

What is the first step to isolate x in the equation x - 4 = 10?

Back

Add 4 to both sides.

Front

Solve for x: 3x = 12

Back

x = 4

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side by itself.

Front

Solve for x: x - 9 = -3

Back

x = 6

Front

What operation would you use to solve the equation x + 15 = 25?

Back

Subtract 15 from both sides.

Front

Solve for x: 20 = x + 8

Back

x = 12

Front

What is the solution to the equation -7 + x = 5?

Back

x = 12

Front

How do you check your solution for the equation x - 3 = 10?

Back

Substitute 10 back into the equation: 10 - 3 = 7, which is correct.