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17-12-2020
Mathematics

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If 5 - 2x = 21, then what is the value of 3 - x?

Respuesta :

zmosley2121 zmosley2121

17-12-2020

Answer:

11

Step-by-step explanation:

first solve 5-2x=21

subtract 5 on both sides to get

-2x=16, then divide -2 on both sides to get

x= -8 then

3-(-8) which is 3+8=11

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