Make sense of problems and persevere in solving them. Reason abstractly and quantitatively. Look for and make use of structure. Use the properties of operations to generate equivalent expressions. Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities.
Please watch the video, take notes, and complete the quiz.
In this video you will learn how to solve equations by finding the value of the unknown number.
Source: Deanna Ray