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1/7(9)-2=0
We simplify the equation to the form, which is simple to understand
1/7(9)-2=0
Reorder the terms in parentheses
+(+1.2857142857143)-2=0
Remove unnecessary parentheses
+1.2857142857143-2=0
We move all terms containing to the left and all other terms to the right.
0=0-1.2857142857143+2
We simplify left and right side of the equation.
0=0.7142857142857
0=0.7142857142857
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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