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Math
Algebra
Introduction to algebra
Overview and history of algebra
Linear equations
Converting repeating decimals to fractions
Ratios and proportions
Systems of equations and inequalities
Solving systems with elimination (addition-elimination)
Solving systems with substitution
Super fast systems of equations
Thinking about solutions to systems
Arithmetic
Arithmetic and pre-algebra
Addition and subtraction
Intro to addition and subtraction
Fractions
Adding and subtracting fractions with unlike denominators
Adding and subtracting mixed number with unlike denominators
Mixed number addition and subtraction
Mixed number multiplication and division
Calculus
Indefinite and definite integrals
Indefinite integral as anti-derivative
Riemann sums and definite integration
U-substitution
Early math
Counting
Counting small numbers
Geometry
Points, lines, and planes
Introduction to Euclidean geometry
Probability and statistics
Independent and dependent events
Basic probability
Dependent probability
Partner Content
MIT+K12
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  • Example 2: Solving systems by elimination

    Khan Academy
    1469
    03:44

  • Example 1: Solving systems by elimination

    Khan Academy
    1439
    05:50

  • Practice using substitution for systems

    Khan Academy
    1384
    04:20

  • Substitution Method 3

    Khan Academy
    1314
    05:57

  • Substitution Method 2

    Khan Academy
    1449
    03:43

  • The Substitution Method

    Khan Academy
    1344
    04:38

  • Example 3: Solving systems by substitution

    Khan Academy
    1556
    06:03

  • Example 2: Solving systems by substitution

    Khan Academy
    1285
    04:05

  • Example 1: Solving systems by substitution

    Khan Academy
    1398
    03:43

  • Solving linear systems by substitution

    Khan Academy
    1238
    09:20

  • Solving linear systems by graphing

    Khan Academy
    1193
    08:29

  • Solving systems of equations by elimination

    Khan Academy
    1260
    12:43

  • Solving systems of equations by multiplication

    Khan Academy
    1205
    12:00

  • Inconsistent systems of equations

    Khan Academy
    1180
    09:23

  • Special types of linear systems

    Khan Academy
    1067
    15:17

  • Infinite solutions to systems

    Khan Academy
    1156
    07:06

  • Practice thinking about number of solutions to systems

    Khan Academy
    1115
    06:35

  • Independent and Dependent Systems

    Khan Academy
    1096
    05:09

  • Consistent and Inconsistent Systems

    Khan Academy
    1111
    05:28

  • Antiderivative of hairier expression

    Khan Academy
    734
    06:15

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