-0.4=4.2

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Solution for -0.4=4.2 equation:


-0.4=4.2

We simplify the equation to the form, which is simple to understand 
-0.4=4.2

We move all terms containing  to the left and all other terms to the right. 
0=+4.2 + 0.4

We simplify left and right side of the equation. 
0=+4.6

0=4.6

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

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