MAT 219 Week 4 participation Message expanded.Message readPolynominals Adding, Subtracting,

MAT 219 All Participations Link

https://uopcourses.com/category/mat-219-participations/
MAT 219 Week 4 participation Message expanded.Message readPolynominals: Adding, Subtracting, Multiplying & Simplifying
You might have heard you can only combine like terms. Why is this?

 

What if a classmate didn't believe you?  For example what conclusions would you be able to draw if 2x + 1 = 3x for all x?
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