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-d+4/5=1/7
We move all terms to the left:
-d+4/5-(1/7)=0
We add all the numbers together, and all the variables
-d+4/5-(+1/7)=0
We add all the numbers together, and all the variables
-1d+4/5-(+1/7)=0
We get rid of parentheses
-1d+4/5-1/7=0
We calculate fractions
There is no solution for this equation
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