Basic linear equation word problem | 7th grade | Khan Academy
"Learn how to construct and solve a basic linear equation to solve a word problem. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-variables-expressions/cc-7th-linear-eq-word-probs/e/linear-equation-world-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=7thgrade ...
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· Sep 11, 2015