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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