Khan Academy

January 10, 2014

552

04:20

- Description
- Example doing Khan Academy systems of equations exercise at: http://www.khanacademy.org/math/algebra/systems-of-eq-and-ineq/e/systems_of_equations_with_substitution
- Category
- Solving systems with substitution
- Tags
- u14_l2_t1_we3 Substitution Method CC_8_EE_8_a CC_8_EE_8_b CC_8_EE_8_c CC_8_F_3 CC_39336_A-REI_6

- URL
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