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poizon [28]
3 years ago
6

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

Mathematics
2 answers:
ss7ja [257]3 years ago
8 0
Just use Math----- way
anastassius [24]3 years ago
8 0
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
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