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Step by step 3(4d+1)-9d=6(2-d)
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Step by step 3(4d+1)-9d=6(2-d)

User Bitwise
by
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2 Answers

3 votes
1. Expand
12d+3-9d=12-6d

2. Collect Like Terms
3d + 3 =12-6d
9d=9

3. Solve
(9d/9) = (9/9)
d=1
User Inherited Geek
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5 votes
Just use Math----- way
User Dbkk
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