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02-03-2021
Mathematics

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how many solutions does d+6+2d=4d+9 have?

Respuesta :

Hrishii Hrishii

02-03-2021

Answer:

Only one solution

Step-by-step explanation:

d+6+2d=4d+9

3d + 6 = 4d + 9

3d - 4d = 9 - 6

-d = 3

d = - 3

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