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2021年7月30日 · Find the mistake in one-step equations. Find the mistake: two-step equations. Function rules from equations. Graph from slope-intercept form. Graphing basic inequalities. Graphing linear relationships word problems. Graphing proportional relationships. Identify proportional relationships from graphs. Intercepts from a graph. Intercepts from an ...

2017年12月12日 · The 2-step Equations videos explain how to solve 2-step equations including negative solutions, but not negative coefficients. In...

Here's how we solve a two step equation. It begins with the concept of equality: what we do to one side of the equation must be done to the other. Created by Sal Khan.

2015年11月13日 · Here's a nifty word problem in which we find the dimensions of a garden given only the perimeter. Let's create an equation to solve!

Bring on the algebra! Learn how to manipulate expressions and solve equations and inequalities.

http://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-solving-equations/cc-8th-linear-equations/v/equations-3. I think the video will be very helpful! You can also get to it by going to 8th grade math, then select the section Linear Equations in one Variable.

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. ... One-step addition & subtraction equations: fractions & decimals ...

Looking for free math worksheets? You’ve found something even better! That’s because Khan Academy has over 100,000 free practice questions. And they’re even better than traditional math worksheets – more instantaneous, more interactive, and more fun! Just choose your grade level or topic to get access to 100% free practice questions ...