Search "equations"
Intuition why we divide both sides
Conceptual understanding of why one needs to divide both sides of an equation to solve for a variable
Khan Academy
The why of algebra
511
03:12
Ex 3 age word problem
William is 4 times as old as Ben. 12 years ago, William was 7 times as old as Ben. How old is Ben now?
Khan Academy
Linear equation word problems
530
06:27
Variables on both sides
Equations with the variable on both sides.
Khan Academy
Linear equations in one variable
524
08:52
Ex 2 age word problem
In 40 years, Imran will be 11 times as old as he is right now. How old is he right now?
Khan Academy
Linear equation word problems
596
03:41
Graphing systems of equations
Graphing Systems of Equations
Testing a solution for a system of equations
Testing a solution for a system of equations
Basic linear equation word problem
Constructing and solving a basic equation based on a word problem.
Khan Academy
Applying linear equations
506
04:44
Example: Two-step equation with x/4 term
Solving Equations 1
Khan Academy
Two-step equations
517
03:03
Example 1: Variables on both sides
Multi-step equations 1
Khan Academy
Linear equations in one variable
536
04:32
