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16-05-2021
Mathematics

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I need to find x based off of the models

I need to find x based off of the models class=

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16-05-2021

Answer:

2. 9x - 4= 12x - 55

9x - 12x = -55+4

-3x = -51

x = 17

3. 7x +29 = 11x - 31

7x - 11x = -31-29

-4x = -60

x =15

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