Robert Salgado

A little more complicated. khanacademy.org/video?v=vkhYFm… via @khanacademy

The concept of equality: what we do to one side of the equation must be done to the other. khanacademy.org/video?v=_y_Q3_… via @khanacademy

To find the value of a variable you'll need to do something to BOTH sides of the equation. Watch. khanacademy.org/video?v=kZoFI_… via @khanacademy

This equation can be simplified through a single step to solve for the variable. Can you help? khanacademy.org/video?v=kbqO0Y… via @khanacademy

To achieve balance helps to explain why we do the same thing to both sides of an equation. khanacademy.org/video?v=5FBDqY… via @khanacademy