carolinavalenc carolinavalenc
  • 28-09-2017
  • Mathematics
contestada

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

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giusephinakris giusephinakris
  • 28-09-2017
Just use Math----- way
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tasnimhannan tasnimhannan
  • 28-09-2017
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
Answer Link

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