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21-04-2020
Mathematics

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what is 2(x + 8) = x + 21

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wegnerkolmp2741o wegnerkolmp2741o

21-04-2020

Answer:

x=5

Step-by-step explanation:

2(x + 8) = x + 21

Distribute

2x+16 = x+21

Subtract x from each side

2x-x +16 = x-x+21

x +16 = 21

Subtract 16 from each side

x+16-16 =21-16

x =5

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