Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra-home/alg-basic-eq-ineq/alg-old-school-equations/v/algebra-linear-equations-1 Equations of the form AX=B Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and ...
YouTube
· Nov 19, 2006