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5 votes
3(2d - 7) = (2 + 4d)2
i need the steps

User Surojit
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1 Answer

4 votes

3(2d - 7) = (2 + 4d)2

distribute

3*2d -3*7 = 2*2 +2*4d

multiply

6d -21 = 4 +8d

subtract 6d from each side

6d-6d-21 = 4 +8d-6d

-21 = 4+2d

subtract 4 from each side

-21 -4 =4+2d-4

-25 =2d

divide by 2

-25/2 =d

User Pau Coma Ramirez
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