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11-11-2018
Mathematics

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Find x and y for equation, x+y=4

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wegnerkolmp2741o wegnerkolmp2741o

11-11-2018

x+y =4

subtract y to find x

x+y-y = 4-y

x = 4-y

x+y=4

subtract x to find y

x-x+y =4-x

y = 4-x

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