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13/21-2/7=0
We simplify the equation to the form, which is simple to understand
13/21-2/7=0
Simplifying:
+ 0.619047619048-2/7=0
Simplifying:
+ 0.619047619048-0.285714285714=0
We move all terms containing to the left and all other terms to the right.
0=0-0.619047619048 + 0.285714285714
We simplify left and right side of the equation.
0=-0.333333333334
0=-0.333333333334
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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