0.7-4=0.9

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Solution for 0.7-4=0.9 equation:


0.7-4=0.9

We simplify the equation to the form, which is simple to understand 
0.7-4=0.9

We move all terms containing  to the left and all other terms to the right. 
0=0.9-0.7+4

We simplify left and right side of the equation. 
0=+4.2

0=4.2

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

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