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-15.49+18.3d=19.27+19.1d+7.1d
We move all terms to the left:
-15.49+18.3d-(19.27+19.1d+7.1d)=0
We add all the numbers together, and all the variables
18.3d-(26.2d+19.27)-15.49=0
We get rid of parentheses
18.3d-26.2d-19.27-15.49=0
We add all the numbers together, and all the variables
-7.9d-34.76=0
We move all terms containing d to the left, all other terms to the right
-7.9d=34.76
d=34.76/-7.9
d=-4+2.7241379310345/6.8103448275862
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