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Mathematics 20 Online
OpenStudy (anonymous):

Polynomials: Find the sum or difference: (5x+9y)-(2x+4y)

OpenStudy (anonymous):

You must distribute the minus. This equation can be rewritten as (5x+9y) - 2x - 4y (Distribute the negative to 4y). Then regroup: 5x -2x +9y - 4y

OpenStudy (anonymous):

5x+9y - 2x -4y 5x-2x +9y-4y 3x +5y

OpenStudy (anonymous):

3x + 5y

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