
Equation with variables on both sides: fractions - Khan Academy
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 …
Solving equations & inequalities | Algebra 1 | Math | Khan Academy
There are lots of strategies we can use to solve equations. Let's explore some different ways to solve equations and inequalities. We'll also see what it takes for an equation to have no …
Two-step equations with decimals and fractions - Khan Academy
Learn how to solve equations that involve decimals and fractions. The equations shown in this video are called "two-step" equations because they each take two steps to solve.
Math - Khan Academy
Learn fifth grade math—arithmetic with fractions and decimals, volume, unit conversion, graphing points, and more. This course is aligned with Common Core standards.
Algebra (all content) - Khan Academy
Intro to rational expressions Simplifying rational expressions Multiplying & dividing rational expressions Adding & subtracting rational expressions Nested fractions Solving rational …
Quadratic functions & equations | Algebra 1 | Math | Khan Academy
Practice Solve equations by completing the square Get 3 of 4 questions to level up!
Linear equations, functions, & graphs | Khan Academy
This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing …
Free Math Worksheets - Khan Academy Blog
Mar 15, 2021 · They’ll help you assign the perfect practice for each student from our full math curriculum and track your students’ progress across the year. Plus, they’re also 100% free — …
One-step multiplication equations: fractional coefficients
Learn how to solve equations with fractions by using reciprocals. Multiply both sides of the equation by the reciprocal of the fraction to make the coefficient one.
Rational expressions, equations, & functions | Khan Academy
This topic covers: - Simplifying rational expressions - Multiplying, dividing, adding, & subtracting rational expressions - Rational equations - Graphing rational functions (including horizontal & …