-6.9=-2.1

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Solution for -6.9=-2.1 equation:


-6.9=-2.1

We simplify the equation to the form, which is simple to understand 
-6.9=-2.1

We move all terms containing  to the left and all other terms to the right. 
0=-2.1+6.9

We simplify left and right side of the equation. 
0=+4.8

0=4.8

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

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