7-4d=4-d

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Solution for 7-4d=4-d equation:



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

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