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  • Solving equations inequalities | Algebra 1 | Math | Khan Academy
    Learn algebra online with Khan Academy, covering equations and inequalities through engaging lessons and exercises to enhance your understanding
  • Pre-algebra - Khan Academy
    Learn pre-algebra—all of the basic arithmetic and geometry skills needed for algebra
  • Equation with variables on both sides: fractions
    To solve the equation (3 4)x + 2 = (3 8)x - 4, we first eliminate fractions by multiplying both sides by the least common multiple of the denominators Then, we add or subtract terms from both sides of the equation to group the x-terms on one side and the constants on the other Finally, we solve and check as normal Created by Sal Khan and Monterey Institute for Technology and Education
  • One-step addition subtraction equations: fractions decimals
    In this math lesson, we practice solving equations with variables and fractions We learn to isolate the variable by adding or subtracting terms from both sides of the equation This helps us find the value of the variable, making the equation true Keep practicing and have fun!
  • Solving Equations with Fractions (practice) | Khan Academy
    Word Problems: Fractions of a Quantity Word Problems: Profit, Loss, and Simple Interest Solving Equations with Variables on Both Sides Applications of Linear equations (1 variable)
  • Rational equations intro (video) | Equations | Khan Academy
    When we have an equation where the variable is in the denominator of a quotient, that's a rational equation We can solve it by multiplying both sides by the denominator, but we have to look out for extraneous solutions in the process
  • Equation with the variable in the denominator (video . . . - Khan Academy
    The variable x is in the denominator in 7 - 10 x = 2 + 15 x We can multiply both sides of the equation by x to turn it into a more familiar, linear form without fractions From there, we isolate the variable to solve P S x cannot equal zero, because then the equation would be undefined
  • Solving absolute value inequalities: fractions - Khan Academy
    All right, now let's solve each of these independently To get rid of the fractions, the easiest thing to do is to multiply both sides of this equation by 4 That'll eliminate all of the fractions, so let's do that Let's multiply-- let me scroll to the left a little bit-- let's multiply both sides of this equation by 4
  • Solving quadratics by completing the square - Khan Academy
    Solving quadratic equations by completing the square Consider the equation x 2 + 6 x = 2 The square root and factoring methods are not applicable here





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