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Answer :

Soorego

Answer:

20d+5

Step-by-step explanation:

5(3d + 1) + 5d

Expand the brackets,

15d+5+5d

Collect like terms;

20d+5

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Girldandygo
5d+20 is the correct answer:
In this equation you first take care of (3d+1) because it’s in parenthesis- you first add 3+1=4, then multiply it by 5 because you multiply the total sum that’s in the parentheses first as a rule; next you multiple 4x5 which is 20, the leftover sum is +5d, therefore the correct answer is 5d+20

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