How To: Solve a system of linear equations via substitution

Solve a system of linear equations via substitution

From Ramanujan to calculus co-creator 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 graph and solve linear systems using substitution in algebra.

(1) Part 1 of 3 - How to Solve a system of linear equations via substitution, (2) Part 2 of 3 - How to Solve a system of linear equations via substitution, (3) Part 3 of 3 - How to Solve a system of linear equations via substitution

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