SOLUTION: Addition postulates: How do i solve for the variable 4d-1+d+7=6d-1

SOLUTION: Addition postulates: How do i solve for the variable 4d-1+d+7=6d-1

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Question 699654: Addition postulates: How do i solve for the variable 4d-1+d+7=6d-1
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
4d-1+d+7=6d-1
4d+d-6d=-1+1-7
-d=-7
d=7 ans.
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