Use It or Lose It: What Side to Put X on? Math concepts you probably learned...and probably forgot. Let's learn how to solve for x on the opposite side of an equation. Key Words: Solving Linear Equations, Solving for X on Either Side, Algebra 1 Concepts, Algebra 2 Concepts, Equivalent Equations, Math eLearning, Voice Over #MathEducation #eLearning #VoiceOver #UseItorLoseItSeries