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9x/21x=0
We simplify the equation to the form, which is simple to understand
9x/21x=0
Simplifying:
+ 0.428571428571=0
We move all terms containing x to the left and all other terms to the right.
0=0-0.428571428571
We simplify left and right side of the equation.
0=-0.428571428571
0=-0.428571428571
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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