IM 7.6.22 Lesson: Combining Like Terms (Part 3)

Select [b]all [/b]expressions that are equal to [math]8-12-\left(6+4\right)[/math].
Match each expression in column A with an equivalent expression from column B. Be prepared to explain your reasoning.
Write each expression with fewer terms. Show or explain your reasoning.
[br][math]3\cdot15+4\cdot15-5\cdot15[/math]
[math]3x+4x-5x[/math]
[math]3\left(x-2\right)+4\left(x-2\right)-5\left(x-2\right)[/math]
[math]3\left(\frac{5}{2}x+6\frac{1}{2}\right)+4\left(\frac{5}{2}x+6\frac{1}{2}\right)-5\left(\frac{5}{2}x+6\frac{1}{2}\right)[/math]
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– GeoGebra Classroom Activities, IM 6 – 8 Math

Information: IM 7.6.22 Lesson: Combining Like Terms (Part 3)