Respuesta :

Answer:

d=3

Step-by-step explanation:

5d + 4 = 19

        -4    -4

5d + =15

/5        /5

d=3

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Answer:

d=3

Step-by-step explanation:

5(3)+4=19

What you do is subtract 4 from both sides giving you this equation:

5d=15 and then divide 5 from both sides giving you...

d=3