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3-3.4+2.3=12.4
We simplify the equation to the form, which is simple to understand
3-3.4+2.3=12.4
We move all terms containing to the left and all other terms to the right.
0=+12.4-3+3.4-2.3
We simplify left and right side of the equation.
0=+10.5
0=10.5
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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