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

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

How To: Do long division without a calculator

How To: Find a number given Its percent

How To: Spend Money on a Graphing Calculator? Nah—Just Use This WebBased TI Emulator

How To: Figure out the domain & range of a piecewise function

How To: Find the area of a circle when you know the diameter

How To: Calculate Faster Than a Calculator

How To: Find the slope of a line given 2 points with fractions

How To: Write a slopeintercept equation given an XY table

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