-7-5d-1=4-9d

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Solution for -7-5d-1=4-9d equation:



-7-5d-1=4-9d
We move all terms to the left:
-7-5d-1-(4-9d)=0
We add all the numbers together, and all the variables
-5d-(-9d+4)-7-1=0
We add all the numbers together, and all the variables
-5d-(-9d+4)-8=0
We get rid of parentheses
-5d+9d-4-8=0
We add all the numbers together, and all the variables
4d-12=0
We move all terms containing d to the left, all other terms to the right
4d=12
d=12/4
d=3

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