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3-x=1/243
We move all terms to the left:
3-x-(1/243)=0
We add all the numbers together, and all the variables
-x+3-(+1/243)=0
We add all the numbers together, and all the variables
-1x+3-(+1/243)=0
We get rid of parentheses
-1x+3-1/243=0
We multiply all the terms by the denominator
-1x*243-1+3*243=0
We add all the numbers together, and all the variables
-1x*243+728=0
Wy multiply elements
-243x+728=0
We move all terms containing x to the left, all other terms to the right
-243x=-728
x=-728/-243
x=2+242/243
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