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21/99+21/99=0
We simplify the equation to the form, which is simple to understand
21/99+21/99=0
Simplifying:
+ 0.212121212121+21/99=0
Simplifying:
+ 0.212121212121 + 0.212121212121=0
We move all terms containing to the left and all other terms to the right.
0=0-0.212121212121-0.212121212121
We simplify left and right side of the equation.
0=-0.424242424242
0=-0.424242424242
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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