Answer:
d equals to 3/2
Step-by-step explanation:
1. use distributive property :
-3= 1/2d - 6
2. get rid of six by adding it on both sides of the equation:
-3 =1/2d - 6
+6 + 6
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3=1/2d
3. multiply both sides by 1/2
3*1/2 = 1/2d *1/2
3/2=d