2/5-9/10=

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Solution for 2/5-9/10= equation:


2/5-9/10=0

We simplify the equation to the form, which is simple to understand 
2/5-9/10=0

Simplifying:
 + 0.4-9/10=0

Simplifying:
 + 0.4-0.9=0

We move all terms containing  to the left and all other terms to the right. 
0=0-0.4 + 0.9

We simplify left and right side of the equation. 
0=0.5

0=0.5

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

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