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3x+7=1/729
We move all terms to the left:
3x+7-(1/729)=0
We add all the numbers together, and all the variables
3x+7-(+1/729)=0
We get rid of parentheses
3x+7-1/729=0
We multiply all the terms by the denominator
3x*729-1+7*729=0
We add all the numbers together, and all the variables
3x*729+5102=0
Wy multiply elements
2187x+5102=0
We move all terms containing x to the left, all other terms to the right
2187x=-5102
x=-5102/2187
x=-2+728/2187
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