0.21+1.8+3.9=

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Solution for 0.21+1.8+3.9= equation:


0.21+1.8+3.9=0

We simplify the equation to the form, which is simple to understand 
0.21+1.8+3.9=0

We move all terms containing  to the left and all other terms to the right. 
0=0-0.21-1.8-3.9

We simplify left and right side of the equation. 
0=-5.91

0=-5.91

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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