Mathematics, 20.01.2020 17:31 kenishajohnson116

Find each sum or difference? 1. (2x+3y) + (4x+9y) 2. (6s+5t) + (4t+8s)

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Find each sum or difference? 1. (2x+3y) + (4x+9y) 2. (6s+5t) + (4t+8s)...

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