Respuesta :

Answer:

d = 10

Step-by-step explanation:

3/4(6 + d) = 12

(18 + 3d)/4 = 12

18 + 3d = 48

3d = 48 - 18

3d = 30

d = 30 : 3

d = 10

tyrikapa

multiple both sides by 4/3

move the constant to the right

subtract the numbers

Ver imagen tyrikapa

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