Which operation should you perform first to isolate the variable in the equation 4z - 7 = 13?

Add 7 to both sides of the equation.

Solving Two-step Equations Lesson Plan for Grade 8th Grade

Name: Solving Two-Step Equations
Author: Insta~Lesson

I can solve two-step equations using inverse operations.

1
When solving two-step equations, the goal is to isolate the variable by using inverse operations.
2
To solve a two-step equation, you must undo the operations in the reverse order of operations, ensuring that whatever you do to one side of the equation, you also do to the other side.
3
After solving for the variable, you can check your answer by plugging the value back into the original equation to see if it makes the equation true.