Need to know how to solve a system of algebraic equations? From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with and solve systems of linear equations in intermediate algebra.
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How To: Calculate Faster Than a Calculator

How To: Solve problems involving functions in algebra

How To: Solve a linear equation set with a graphing calculator

How To: Remember "greater than" & "less than" symbols

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Find the perimeter & area of a complex figure

How To: Quickly solve quadratic equations by factoring

How To: Find the highest common factor (or HCF) of two numbers

How To: Pass Your Math Class With 9 Tips

How To: Do long division without a calculator

How To: Divide small numbers by big numbers

How To: Find a slope of a straight line with: Ax + By + C = 0

How To: Find the equation of a circle given: center & tangent

How To: Find the 100th term in a sequence

How To: Calculate the age of the universe w/ Hubble's constant

How To: Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle

How To: Find how many toothpicks will be needed to form the nth figure in a sequence

How To: Evaluate fractions containing variables

How To: Find density using the water displacement method

How To: Use the Quintile Formula in Statistics
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